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Efficiencies of a Hydrodynamic-Settling Device

Project Number:  BQY28
Project Chief: Judy Horwatich
Project Topics: Stormwater control practice
Cooperators: National Sanitation Foundation International, Waukesha City Group and WDNR
Period of Project: July 2005 – December 2007

 

Non-point evaluation studies

The purpose of this project is to measure the pollutant reduction effectiveness of a Downstream Defender stormwater treatment device.

Problem

Administrative rules to address the control of polluted runoff from urban land-use activities in Wisconsin went into effect on Oct 2, 2004. Performance standards in subchapter III of NR151 details total suspended solids (TSS) reductions for post construction in new development and redevelopment, and describe requirements to reduce TSS in developed urban areas for all municipalities subject to storm water permits. Eighty percent of the annual TSS load that would normally run off a new development site needs to be controlled. The reduction goal for redevelopment is 40 percent. Municipalities required to control solids loads from developed urban areas must achieve a 40-percent reduction in the annual TSS loads by 2013.

Objectives

The purpose of this project was to measure the pollutant reduction effectiveness of a Downstream Defender stormwater treatment device. This is a proprietary treatment device manufactured by Hydro International. It represents a very common type of device being promoted for reducing the level of pollutants in urban runoff. The primary process for removing the pollutants is settling. More than six manufacturers are offering settling-type devices in Wisconsin.

Results from this project will be applied to an effort to select and verify a method for sizing single-chamber settling devices in Wisconsin. Additional pollutant-reduction data are available from the monitoring of two other settling devices installed in Wisconsin. These three projects will provide sufficient data to select and verify a sizing method to be recommended in a technical standard for single-chamber treatment devices.

Approach

Twenty-three runoff events monitored for flow volume and water quality at the device’s inlet and outlet were used to calculate the percentage of pollutant reduction for the device. Efficiency of the settling device was calculated using the efficiency ratio and summation of loads (SOL) methods.

Publications and Reports

Horwatich, J.A., and Bannerman, R.T., 2012, Parking lot runoff quality and treatment efficiencies of a hydrodynamic-settling device in Madison, Wisconsin, 2005–6: U.S. Geological Survey Scientific Investigations Report 2011–5145, 35 p. plus 11 app.

 

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05425912: Flow=271cfs,Stage=841.56ft,Floodstage=843.5ft,2016-09-15 07:15,High,BEAVERDAM RIVER AT BEAVER DAM, WI 05405000: Flow=1990cfs,Stage=14.79ft,Floodstage=16ft,2016-09-15 07:15,High,BARABOO RIVER NEAR BARABOO, WI 05432500: Flow=309cfs,Stage=3.89ft,Floodstage=13.5ft,2016-09-15 07:15,>90,PECATONICA RIVER AT DARLINGTON, WI 05430500: Flow=3090cfs,Stage=5.91ft,Floodstage=9ft,2016-09-15 07:15,>90,ROCK RIVER AT AFTON, WI 05430150: Flow=151cfs,Stage=5.49ft,2016-09-15 07:00,>90,BADFISH CREEK NEAR COOKSVILLE, WI 05426000: Flow=1250cfs,Stage=4.20ft,Floodstage=7ft,2016-09-15 07:15,>90,CRAWFISH RIVER AT MILFORD, WI 05425500: Flow=1200cfs,Stage=3.08ft,Floodstage=5.5ft,2016-09-15 05:45,>90,ROCK RIVER AT WATERTOWN, WI 05410490: Flow=962cfs,Stage=9.31ft,Floodstage=12ft,2016-09-15 07:45,>90,KICKAPOO RIVER AT STEUBEN, WI 05408000: Flow=276cfs,Stage=3.64ft,Floodstage=12ft,2016-09-15 07:15,>90,KICKAPOO RIVER AT LA FARGE, WI 05407000: Flow=15300cfs,Stage=3.74ft,Floodstage=9ft,2016-09-15 07:45,>90,WISCONSIN RIVER AT MUSCODA, WI 05406500: Flow=51cfs,Stage=2.35ft,Floodstage=7ft,2016-09-15 05:45,>90,BLACK EARTH CREEK AT BLACK EARTH, WI 05403500: Flow=1460cfs,Stage=8.90ft,2016-09-15 07:15,>90,LEMONWEIR RIVER AT NEW LISBON, WI 05391000: Flow=1070cfs,Stage=3.62ft,Floodstage=6ft,2016-09-15 07:00,>90,WISCONSIN RIVER @ RAINBOW LAKE NR LAKE TOMAHAWK,WI 05379500: Flow=671cfs,Stage=6.09ft,Floodstage=9ft,2016-09-15 06:00,>90,TREMPEALEAU RIVER AT DODGE, WI 05378500: Flow=61700cfs,Stage=8.21ft,Floodstage=13ft,2016-09-15 07:45,>90,MISSISSIPPI RIVER AT WINONA, MN 05344500: Flow=38800cfs,Stage=28.82ft,2016-09-15 07:15,>90,MISSISSIPPI RIVER AT PRESCOTT, WI 05340500: Flow=6310cfs,Stage=4.55ft,2016-09-15 07:15,>90,ST. CROIX RIVER AT ST. CROIX FALLS, WI 05333500: Flow=1960cfs,Stage=2.00ft,2016-09-15 07:30,>90,ST. CROIX RIVER NEAR DANBURY, WI 04087000: Flow=998cfs,Stage=3.17ft,Floodstage=7ft,2016-09-15 07:15,>90,MILWAUKEE RIVER AT MILWAUKEE, WI 04086600: Flow=968cfs,Stage=7.27ft,Floodstage=11ft,2016-09-15 07:15,>90,MILWAUKEE RIVER NEAR CEDARBURG, WI 04086000: Flow=340cfs,Stage=2.60ft,Floodstage=8ft,2016-09-15 05:45,>90,SHEBOYGAN RIVER AT SHEBOYGAN, WI 04085427: Flow=188cfs,Stage=4.83ft,Floodstage=10ft,2016-09-15 06:45,>90,MANITOWOC RIVER AT MANITOWOC, WI 04073500: Flow=1430cfs,Stage=10.23ft,Floodstage=13ft,2016-09-15 07:00,>90,FOX RIVER AT BERLIN, WI 04037500: Flow=100cfs,Stage=5.13ft,2016-09-15 08:00,>90,CISCO BRANCH ONTONAGON R AT CISCO LAKE OUTLET, MI 05437500: Flow=5240cfs,Stage=4.34ft,Floodstage=10ft,2016-09-15 06:30,76-90,ROCK RIVER AT ROCKTON, IL 05437050: Flow=1950cfs,Stage=6.16ft,Floodstage=12ft,2016-09-15 07:00,76-90,PECATONICA RIVER NR SHIRLAND, ILL 05436500: Flow=470cfs,Stage=1.58ft,Floodstage=5ft,2016-09-15 07:15,76-90,SUGAR RIVER NEAR BRODHEAD, WI 05434500: Flow=1050cfs,Stage=7.33ft,Floodstage=13.5ft,2016-09-15 07:30,76-90,PECATONICA RIVER AT MARTINTOWN, WI 05433000: Flow=187cfs,Stage=4.99ft,Floodstage=11ft,2016-09-15 07:15,76-90,EAST BRANCH PECATONICA RIVER NR BLANCHARDVILLE, WI 05430175: Flow=465cfs,Stage=4.90ft,Floodstage=10ft,2016-09-15 07:15,76-90,YAHARA RIVER NEAR FULTON, WI 05429500: Flow=263cfs,Stage=5.54ft,2016-09-15 07:00,76-90,YAHARA RIVER AT MC FARLAND, WI 05427948: Flow=9.9cfs,Stage=3.78ft,2016-09-15 07:05,76-90,PHEASANT BRANCH AT MIDDLETON, WI 05427718: Flow=26cfs,Stage=1.21ft,Floodstage=8ft,2016-09-15 07:00,76-90,YAHARA RIVER AT WINDSOR, WI 05423500: Flow=35cfs,Stage=2.44ft,Floodstage=6ft,2016-09-15 07:00,76-90,SOUTH BRANCH ROCK RIVER AT WAUPUN, WI 05414000: Flow=154cfs,Stage=3.95ft,Floodstage=9ft,2016-09-15 07:15,76-90,PLATTE RIVER NEAR ROCKVILLE, WI 05413500: Flow=271cfs,Stage=6.19ft,Floodstage=18ft,2016-09-15 07:15,76-90,GRANT RIVER AT BURTON, WI 05404000: Flow=10300cfs,Stage=5.86ft,Floodstage=16ft,2016-09-15 07:15,76-90,WISCONSIN RIVER NEAR WISCONSIN DELLS, WI 05402000: Flow=231cfs,Stage=3.76ft,Floodstage=12ft,2016-09-15 07:30,76-90,YELLOW RIVER AT BABCOCK, WI 05398000: Flow=3840cfs,Stage=14.83ft,Floodstage=25ft,2016-09-15 07:45,76-90,WISCONSIN RIVER AT ROTHSCHILD, WI 05396000: Flow=124cfs,Stage=2.60ft,2016-09-15 07:15,76-90,BIG RIB RIVER AT RIB FALLS, WI 05395000: Flow=3420cfs,Stage=5.83ft,Floodstage=11ft,2016-09-15 07:15,76-90,WISCONSIN RIVER AT MERRILL, WI 05393500: Flow=109cfs,Stage=2.36ft,Floodstage=8ft,2016-09-15 07:00,76-90,SPIRIT RIVER AT SPIRIT FALLS, WI 05382000: Flow=3420cfs,2016-09-15 06:00,Stage=6.07ft,2016-09-15 07:45:00,Floodstage=12ft,76-90,BLACK RIVER NEAR GALESVILLE, WI 05381000: Flow=421cfs,Stage=4.05ft,Floodstage=18ft,2016-09-15 07:15,76-90,BLACK RIVER AT NEILLSVILLE, WI 05370000: Flow=27cfs,Stage=12.45ft,2016-09-15 07:45,76-90,EAU GALLE RIVER AT SPRING VALLEY, WI 05369500: Flow=8590cfs,Stage=5.38ft,Floodstage=13ft,2016-09-15 06:00,76-90,CHIPPEWA RIVER AT DURAND, WI 05369000: Flow=1660cfs,Stage=7.29ft,2016-09-15 07:30,76-90,RED CEDAR RIVER AT MENOMONIE, WI 05368000: Flow=323cfs,Stage=4.23ft,2016-09-15 07:15,76-90,HAY RIVER AT WHEELER, WI 05367500: Flow=1080cfs,Stage=3.46ft,2016-09-15 05:00,76-90,RED CEDAR RIVER NEAR COLFAX, WI 05365500: Flow=4960cfs,Stage=5.25ft,2016-09-15 07:15,76-90,CHIPPEWA RIVER AT CHIPPEWA FALLS, WI 05362000: Flow=566cfs,Stage=4.52ft,2016-09-15 07:30,76-90,JUMP RIVER AT SHELDON, WI 05360500: Flow=2470cfs,Stage=7.26ft,2016-09-15 07:15,76-90,FLAMBEAU RIVER NEAR BRUCE, WI 05356500: Flow=2020cfs,Stage=3.42ft,2016-09-15 07:00,76-90,CHIPPEWA RIVER NEAR BRUCE, WI 05356000: Flow=1180cfs,Stage=5.75ft,2016-09-15 07:15,76-90,CHIPPEWA RIVER AT BISHOPS BRIDGE NEAR WINTER, WI 04087030: Flow=20cfs,Stage=3.27ft,Floodstage=7.5ft,2016-09-15 07:00,76-90,MENOMONEE RIVER AT MENOMONEE FALLS, WI 04086500: Flow=64cfs,Stage=5.59ft,Floodstage=10ft,2016-09-15 07:00,76-90,CEDAR CREEK NEAR CEDARBURG, WI 04081000: Flow=275cfs,Stage=1.90ft,Floodstage=6ft,2016-09-15 07:00,76-90,WAUPACA RIVER NEAR WAUPACA, WI 04080000: Flow=407cfs,Stage=1.65ft,Floodstage=5ft,2016-09-15 05:00,76-90,LITTLE WOLF RIVER AT ROYALTON, WI 04078500: Flow=257cfs,Stage=3.17ft,Floodstage=7ft,2016-09-15 07:00,76-90,EMBARRASS RIVER NEAR EMBARRASS, WI 04067500: Flow=3240cfs,Stage=10.02ft,Floodstage=15ft,2016-09-15 07:15,76-90,MENOMINEE RIVER NEAR MC ALLISTER, WI 04066800: Flow=3100cfs,Stage=10.68ft,Floodstage=17ft,2016-09-15 04:00,76-90,MENOMINEE RIVER AT KOSS, MI 04066003: Flow=2610cfs,Stage=8.18ft,Floodstage=15ft,2016-09-15 07:15,76-90,MENOMINEE RIVER BELOW PEMENE CREEK NEAR PEMBINE,WI 04064500: Flow=491cfs,Stage=2.87ft,Floodstage=7ft,2016-09-15 07:15,76-90,PINE RIVER BELOW PINE R POWERPLANT NR FLORENCE, WI 04063000: Flow=1740cfs,Stage=4.47ft,2016-09-15 08:00,76-90,MENOMINEE RIVER NEAR FLORENCE, WI 04062000: Flow=280cfs,Stage=3.41ft,2016-09-15 07:45,76-90,PAINT RIVER NEAR ALPHA, MI 04027000: Flow=501cfs,Stage=3.34ft,2016-09-15 07:45,76-90,BAD RIVER NEAR ODANAH, WI 04087257: Flow=7.3cfs,Stage=1.63ft,2016-09-15 07:15,10-24,PIKE RIVER NEAR RACINE, WI 04087233: Flow=1.3cfs,Stage=3.17ft,Floodstage=9ft,2016-09-15 07:30,10-24,ROOT RIVER CANAL NEAR FRANKLIN, WI 05548280: Flow=63cfs,Stage=3.55ft,2016-09-15 07:00,25-75,NIPPERSINK CREEK NEAR SPRING GROVE, IL 05544200: Flow=27cfs,Stage=2.26ft,Floodstage=5ft,2016-09-15 07:30,25-75,MUKWONAGO RIVER AT MUKWONAGO, WI 05543830: Flow=73cfs,Stage=3.10ft,Floodstage=6ft,2016-09-15 07:00,25-75,FOX RIVER AT WAUKESHA, WI 05527800: Flow=13cfs,Stage=3.84ft,Floodstage=7ft,2016-09-15 06:30,25-75,DES PLAINES RIVER AT RUSSELL, IL 05431486: Flow=67cfs,Stage=3.82ft,Floodstage=8ft,2016-09-15 07:15,25-75,TURTLE CREEK AT CARVERS ROCK ROAD NEAR CLINTON, WI 05427965: Flow=0.45cfs,Stage=0.48ft,2016-09-15 07:00,25-75,SPRING HARBOR STORM SEWER AT MADISON, WI 05426250: Flow=98cfs,Stage=2.29ft,Floodstage=4ft,2016-09-15 07:15,25-75,BARK RIVER NEAR ROME, WI 05414820: Flow=23cfs,Stage=4.72ft,2016-09-15 06:15,25-75,SINSINAWA RIVER NEAR MENOMINEE, IL 05401050: Flow=44cfs,Stage=4.92ft,2016-09-15 05:00,25-75,TENMILE CREEK NEAR NEKOOSA, WI 05399500: Flow=68cfs,Stage=3.14ft,Floodstage=15.5ft,2016-09-15 07:00,25-75,BIG EAU PLEINE RIVER AT STRATFORD, WI 05397500: Flow=102cfs,Stage=0.70ft,Floodstage=9ft,2016-09-15 07:00,25-75,EAU CLAIRE RIVER AT KELLY, WI 05394500: Flow=118cfs,Stage=2.26ft,Floodstage=7ft,2016-09-15 07:15,25-75,PRAIRIE RIVER NEAR MERRILL, WI 04087240: Flow=21cfs,Stage=2.36ft,Floodstage=7ft,2016-09-15 07:00,25-75,ROOT RIVER AT RACINE, WI 04087220: Flow=7.2cfs,Stage=1.96ft,Floodstage=8ft,2016-09-15 07:00,25-75,ROOT RIVER NEAR FRANKLIN, WI 04087204: Flow=4.0cfs,Stage=2.33ft,Floodstage=8ft,2016-09-15 07:15,25-75,OAK CREEK AT SOUTH MILWAUKEE, WI 04087159: Flow=5.8cfs,Stage=6.20ft,Floodstage=16ft,2016-09-15 07:00,25-75,KINNICKINNIC RIVER @ S. 11TH STREET @ MILWAUKEE,WI 04087120: Flow=49cfs,Stage=1.86ft,Floodstage=11ft,2016-09-15 07:15,25-75,MENOMONEE RIVER AT WAUWATOSA, WI 04087088: Flow=4.1cfs,Stage=3.05ft,2016-09-15 06:00,25-75,UNDERWOOD CREEK AT WAUWATOSA, WI 04085200: Flow=40cfs,Stage=8.99ft,Floodstage=14ft,2016-09-15 05:45,25-75,KEWAUNEE RIVER NEAR KEWAUNEE, WI 04079000: Flow=1390cfs,Stage=2.90ft,Floodstage=9ft,2016-09-15 06:00,25-75,WOLF RIVER AT NEW LONDON, WI 04074950: Flow=416cfs,Stage=8.04ft,Floodstage=11.5ft,2016-09-15 07:15,25-75,WOLF RIVER AT LANGLADE, WI 04071000: Flow=437cfs,Stage=1.26ft,Floodstage=7.5ft,2016-09-15 07:15,25-75,OCONTO RIVER NEAR GILLETT, WI 04069500: Flow=712cfs,Stage=2.31ft,Floodstage=10ft,2016-09-15 07:00,25-75,PESHTIGO RIVER AT PESHTIGO, WI 04066500: Flow=117cfs,Stage=2.36ft,Floodstage=6.5ft,2016-09-15 07:15,25-75,PIKE RIVER AT AMBERG, WI 04063700: Flow=126cfs,Stage=2.69ft,Floodstage=6ft,2016-09-15 07:30,25-75,POPPLE RIVER NEAR FENCE, WI 04060993: Flow=316cfs,Stage=3.95ft,Floodstage=9ft,2016-09-15 07:30,25-75,BRULE RIVER AT US HIGHWAY 2 NEAR FLORENCE, WI 04060500: Flow=78cfs,Stage=4.66ft,Floodstage=11ft,2016-09-15 07:30,25-75,IRON RIVER AT CASPIAN, MI 04031000: Flow=104cfs,Stage=2.50ft,Floodstage=10ft,2016-09-15 08:00,25-75,BLACK RIVER NEAR BESSEMER, MI 04027500: Flow=244cfs,Stage=1.68ft,2016-09-15 07:30,25-75,WHITE RIVER NEAR ASHLAND, WI 04025500: Flow=151cfs,Stage=1.66ft,2016-09-15 07:30,25-75,BOIS BRULE RIVER AT BRULE, WI 04024430: Flow=77cfs,Stage=4.89ft,2016-09-15 07:15,25-75,NEMADJI RIVER NEAR SOUTH SUPERIOR, WI 464646092052900: Flow=13300cfs,Stage=602.71ft,2016-09-15 05:00,Not ranked,SUPERIOR BAY DULUTH SHIP CANAL AT DULUTH, MN 464226092005600: Stage=11.18ft,2016-09-15 07:05,Not ranked,SUPERIOR BAY ENTRY CHANNEL AT SUPERIOR, WI 450456092225801: Flow=0.005870cfs,Stage=0.001ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS-WILLOW WATERWAY 1 NEAR CYLON, WI 450437092181901: Flow=0.002400cfs,Stage=0.006ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS-WILLOW WATERWAY 3 NEAR EMERALD, WI 450115092180101: Flow=0.017480cfs,Stage=0.023ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS-WILLOW WATERWAY 2 NR WOODVILLE, WI 445322088281801: Stage=93.34ft,2016-09-15 08:00,Not ranked,BERRY LAKE NEAR SHAWANO, WI 442119088085501: Flow=0.000000cfs,Stage=-0.009ft,2016-09-15 07:00,Not ranked,GLRI WATERWAY NUMBER 4 NR WRIGHTSTOWN, WI 442114088085701: Flow=0.003200cfs,Stage=0.026ft,2016-09-15 07:00,Not ranked,GLRI WATERWAY NUMBER 5 NR WRIGHTSTOWN, WI 441624088045601: Flow=0.000000cfs,Stage=-0.007ft,2016-09-15 07:00,Not ranked,GLRI EAST RIVER WATERWAY NUMBER 1 NR GREENLEAF, WI 441546088082001: Flow=0.000000cfs,Stage=-0.041ft,2016-09-15 07:00,Not ranked,GLRI EAST RIVER WATERWAY NUMBER 2 NR GREENLEAF, WI 441520088045002: Flow=0.031270cfs,Stage=0.215ft,2016-09-15 07:05,Not ranked,GLRI EAST RIVER TILE 1 NEAR GREENLEAF, WI 441520088045001: Flow=0.000000cfs,Stage=-0.001ft,2016-09-15 07:00,Not ranked,GLRI EAST RIVER WATERWAY 3 NEAR GREENLEAF, WI 434425090462401: Flow=0.000000cfs,Stage=-0.002ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS-JERSEY WATERWAY 6 AT CASHTON, WI 434311090461401: Flow=0.000000cfs,Stage=0.000ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS-JERSEY WATERWAY 4 NEAR CASHTON, WI 434250090461401: Flow=0.000000cfs,Stage=0.000ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS-JERSEY WATERWAY 5 NEAR CASHTON, WI 434246090465801: Flow=0.000000cfs,Stage=0.000ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS-JERSEY WATERWAY 3 NEAR CASHTON, WI 434244090470801: Flow=0.000000cfs,Stage=0.000ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS-JERSEY WATERWAY 2 NEAR CASHTON, WI 434209090491101: Flow=0.000000cfs,Stage=0.000ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS-JERSEY WATERWAY 1 NEAR CASHTON, WI 430649089181232: Flow=0.00cfs,Stage=-0.01ft,2016-09-15 01:00,Not ranked,PERMEABLE PAVEMENT CELL 3 OVERFLOW @ MADISON, WI 430649089181231: Flow=0.00cfs,Stage=0.00ft,2016-09-15 01:00,Not ranked,PERMEABLE PAVEMENT CELL 3 DRAIN TILE @ MADISON, WI 430649089181222: Flow=0.00cfs,Stage=0.00ft,2016-09-15 01:00,Not ranked,PERMEABLE PAVEMENT CELL 2 OVERFLOW @ MADISON, WI 430649089181221: Flow=0.00cfs,Stage=0.00ft,2016-09-15 01:00,Not ranked,PERMEABLE PAVEMENT CELL 2 DRAIN TILE @ MADISON, WI 430649089181212: Flow=0.00cfs,Stage=-0.01ft,2016-09-15 01:00,Not ranked,PERMEABLE PAVEMENT CELL 1 OVERFLOW @ MADISON, WI 430649089181211: Flow=0.00cfs,Stage=0.01ft,2016-09-15 07:00,Not ranked,PERMEABLE PAVEMENT CELL 1 DRAIN TILE AT MADISON,WI 430649089181200: Flow=0.00cfs,Stage=0.00ft,2016-09-15 07:00,Not ranked,PERMEABLE PAVEMENT INFLUENT AT MADISON, WI 430532089315602: Stage=-0.031ft,2016-09-15 04:00,Not ranked,BIO CELL SS-OUTLET-AT USGS OFFICE AT MIDDLETON, WI 430532089315601: Stage=-0.042ft,2016-09-15 04:00,Not ranked,BIO CELL SS-INLET-AT USGS OFFICE AT MIDDLETON, WI 430428089325701: 2012-06-24 23:00,Not ranked,WEST OLD SAUK ROAD STORM SEWER AT MADISON, WI 430402089282000: Not ranked,Seasonal site,SOUTH KENOSHA DRIVE STORM SEWER AT MADISON, WI 430356089183502: Not ranked,Rating being developed or revised,US HWY 51 WISDOT GRASS SWALES MIDDLE MADISON, WI 430302089224101: Flow=0.00cfs,2012-08-15 23:45,Not ranked,JOHN NOLEN DRIVE STORM SEWER AT MADISON, WI 425715089164700: Stage=3.95ft,2016-09-15 06:00,Not ranked,LAKE KEGONSA AT BARBER DRIVE NEAR STOUGHTON, WI 424848088083100: Stage=7.51ft,2016-09-15 07:15,Not ranked,WIND LAKE AT OUTLET AT WIND LAKE, WI 424008089050201: Flow=0.002060cfs,Stage=0.011ft,2016-08-25 11:00,Not ranked,DISCOVERY FARMS CORE WATERWAY 5 NR JANESVILLE, WI 423954089071501: Flow=0.000000cfs,Stage=-0.009ft,2016-09-15 07:00,Not ranked,DISCOVERY FARMS CORE WATERWAY 1 NR JANESVILLE, WI 423525088260400: Stage=2.38ft,2016-09-15 04:00,Not ranked,GENEVA LAKE AT LAKE GENEVA, WI 0402403250: Stage=13.11ft,2016-09-15 07:00,Not ranked,St. Louis River at Oliver, WI. 055451345: Flow=1.1cfs,Stage=7.97ft,2016-09-15 04:00,Not ranked,WHITE RIVER AT CENTER STREET AT LAKE GENEVA, WI 054279465: Flow=2.0cfs,Stage=3.05ft,2016-09-15 07:10,Not ranked,S FORK PHEASANT BRANCH @ DEMING WAY @ MIDDLETON,WI 053813595: Flow=1750cfs,Stage=37.72ft,Floodstage=47ft,2016-09-15 07:15,Not ranked,BLACK RIVER DS ST HWY 54 AT BLACK RIVER FALLS, WI 053674967: Flow=12cfs,Stage=4.14ft,2016-09-15 07:15,Not ranked,TROUT CREEK AT TENTH STREET NEAR BLOOMER, WI 053416966: Flow=0.41cfs,Stage=3.04ft,2016-09-15 07:00,Not ranked,DRY RUN AT 190TH STREET NEAR JEWETT, WI 040871488: Flow=6.2cfs,Stage=11.23ft,2016-09-15 07:00,Not ranked,WILSON PARK CK @ ST. LUKES HOSPITAL @ MILWAUKEE,WI 040871476: Flow=0.00cfs,Stage=0.10ft,2016-09-15 07:00,Not ranked,HOLMES AVE CRK TRIB @ GMIA OUTFALL #1 AT MILWAUKEE 040871475: Flow=0.37cfs,Stage=10.79ft,2016-09-15 07:20,Not ranked,WILSON PARK CREEK @ GMIA OUTFALL #7 @ MILWAUKEE,WI 040871473: Flow=0.06cfs,Stage=10.62ft,2016-09-15 04:00,Not ranked,WILSON PARK CREEK AT GMIA INFALL AT MILWAUKEE, WI 040869416: Flow=2.4cfs,Stage=3.58ft,2016-09-15 07:00,Not ranked,LINCOLN CREEK @ SHERMAN BOULEVARD AT MILWAUKEE, WI 040857005: Flow=4.0cfs,Stage=4.34ft,2016-09-15 06:00,Not ranked,OTTER CREEK AT WILLOW ROAD NEAR PLYMOUTH, WI 040854592: Flow=1.0cfs,Stage=3.75ft,2016-09-15 06:00,Not ranked,FISHER CREEK AT HOWARDS GROVE, WI 040851385: Flow=-658cfs,Stage=580.29ft,Floodstage=584ft,2016-09-15 07:20,Not ranked,FOX RIVER AT OIL TANK DEPOT AT GREEN BAY, WI 040734605: Flow=11cfs,Stage=6.47ft,2016-09-15 06:00,Not ranked,GREEN LAKE SW INLET @ CT HIGHWY K NR GREEN LAKE,WI 040263205: Flow=19cfs,Stage=1.30ft,2016-09-15 07:35,Not ranked,WHITTLESEY CREEK NEAR ASHLAND, WI 05548170: Flow=17cfs,2013-10-01 00:00,Not ranked,NORTH BRANCH NIPPERSINK CREEK AT GENOA CITY, WI 05548000: Stage=4.31ft,2016-09-15 06:45,Not ranked,NIPPERSINK LAKE AT FOX LAKE, IL 05547500: Stage=4.36ft,2016-09-15 06:45,Not ranked,FOX LAKE NEAR LAKE VILLA, IL 05547000: Stage=4.42ft,2016-09-15 06:45,Not ranked,CHANNEL LAKE NEAR ANTIOCH, IL 05545750: Flow=423cfs,Stage=6.17ft,Floodstage=11ft,2016-09-15 07:00,Not ranked,FOX RIVER NEAR NEW MUNSTER, WI 05544475: Stage=4.56ft,Floodstage=6ft,2016-09-15 07:45,Not ranked,FOX RIVER AT ROCHESTER, WI 05544385: Stage=11.43ft,2016-09-15 07:45,Not ranked,MUSKEGO (BIG MUSKEGO) LAKE OUTLET NR WIND LAKE, WI 05544348: Stage=1.66ft,2016-09-15 07:30,Not ranked,FOX RIVER AT WATERFORD DAM, AT WATERFORD, WI 05527950: Flow=2.3cfs,Stage=5.74ft,2016-09-15 06:30,Not ranked,MILL CREEK AT OLD MILL CREEK, IL 05527910: Flow=1.4cfs,Stage=16.65ft,2016-09-15 06:30,Not ranked,NORTH MILL CREEK NEAR MILBURN, IL 05527905: Flow=0.30cfs,Stage=10.59ft,2016-09-15 06:30,Not ranked,HASTINGS CREEK NEAR LINDENHURST, IL 05527900: Flow=0.03cfs,Stage=6.71ft,2016-09-15 06:30,Not ranked,NORTH MILL CREEK AT HICKORY CORNERS, IL 05438283: Flow=1.8cfs,Stage=4.87ft,2016-09-15 07:15,Not ranked,PISCASAW CREEK NEAR WALWORTH, WI 05435950: Flow=56cfs,Stage=3.39ft,2016-09-15 07:00,Not ranked,SUGAR RIVER NEAR VERONA, WI 05435943: Flow=15cfs,Stage=4.75ft,2016-09-15 07:00,Not ranked,BADGER MILL CREEK AT VERONA, WI 05432927: Flow=92cfs,Stage=11.53ft,2016-09-15 06:00,Not ranked,PLEASANT VALLEY CREEK @ CTH H NR BLANCHARDVILLE,WI 05432695: Flow=20cfs,Stage=7.89ft,2016-09-15 06:00,Not ranked,RIDGEWAY BRANCH NEAR HOLLANDALE, WI 05431016: Flow=3.0cfs,Stage=8.33ft,2016-09-15 05:45,Not ranked,JACKSON CREEK AT MOUND ROAD NEAR ELKHORN, WI 05429700: Flow=334cfs,Stage=6.35ft,2016-09-15 07:10,Not ranked,YAHARA RIVER @ FORTON STREET BRIDGE @ STOUGHTON,WI 05429485: Stage=5.57ft,2016-09-15 07:00,Not ranked,LAKE WAUBESA AT MC FARLAND, WI 05429000: Stage=6.09ft,2016-09-15 06:00,Not ranked,LAKE MONONA AT MADISON, WI 05428500: Flow=170cfs,Stage=6.70ft,2016-09-15 07:00,Not ranked,YAHARA RIVER AT EAST MAIN STREET AT MADISON, WI 05428000: Stage=10.77ft,2016-09-15 06:00,Not ranked,LAKE MENDOTA AT MADISON, WI 05427943: Flow=2.1cfs,Stage=3.37ft,2016-09-15 07:10,Not ranked,PHEASANT BRANCH AT AIRPORT ROAD NEAR MIDDLETON, WI 05427930: Flow=6.7cfs,Stage=11.16ft,2016-09-15 07:10,Not ranked,DORN (SPRING) CREEK AT CT HIGHWAY M NR WAUNAKEE,WI 05427927: Flow=7.7cfs,Stage=3.08ft,2016-09-15 07:10,Not ranked,DORN (SPRING) CREEK @ CT HIGHWAY Q NR WAUNAKEE, WI 05427910: Flow=22cfs,Stage=10.93ft,2016-09-15 07:10,Not ranked,SIXMILE CREEK @ COUNTY TRNK HGHWY M NR WAUNAKEE,WI 05427880: Flow=13cfs,Stage=4.45ft,2016-09-15 07:10,Not ranked,SIXMILE CREEK AT STATE HIGHWAY 19 NEAR WAUNAKEE,WI 05427850: Flow=91cfs,Stage=10.95ft,2016-09-15 07:05,Not ranked,YAHARA RIVER AT STATE HIGHWAY 113 AT MADISON, WI 05427530: Flow=2050cfs,Stage=3.20ft,Floodstage=6.5ft,2016-09-15 07:10,Not ranked,ROCK RIVER AT NEWVILLE, WI 05427235: Stage=6.90ft,Floodstage=10ft,2016-09-15 07:15,Not ranked,LAKE KOSHKONONG NEAR NEWVILLE, WI 05427085: Flow=2550cfs,Stage=12.27ft,Floodstage=16ft,2016-09-15 06:55,Not ranked,ROCK RIVER AT ROBERT STREET AT FORT ATKINSON, WI 05426380: Flow=2.0cfs,Stage=0.68ft,2016-09-15 07:30,Not ranked,PARADISE SPRINGS CREEK NEAR EAGLE, WI 05426350: Flow=2.6cfs,Stage=0.33ft,2016-09-15 07:15,Not ranked,SCUPPERNONG RIVER UPSTREAM OF MARL PIT NR EAGLE,WI 05426067: Flow=28cfs,Stage=12.58ft,2016-09-15 04:00,Not ranked,BARK RIVER AT NAGAWICKA ROAD AT DELAFIELD, WI 05424057: Flow=834cfs,Stage=8.00ft,Floodstage=8.5ft,2016-09-15 06:55,Not ranked,ROCK RIVER AT HORICON, WI 05411500: Stage=15.55ft,2016-09-15 07:45,Not ranked,Mississippi River at Clayton, IA 05408480: Flow=3.9cfs,Stage=2.74ft,2016-09-15 07:00,Not ranked,W FORK KICKAPOO R AT PEACEFUL VALLEY RD NR CASHTON 05407470: Flow=92cfs,Stage=8.63ft,Floodstage=16ft,2016-09-15 07:30,Not ranked,KICKAPOO RIVER AT STATE HIGHWAY 33 AT ONTARIO, WI 05406479: Flow=10cfs,Stage=2.94ft,2016-09-15 06:00,Not ranked,BLACK EARTH CK NR TREATMENT PLNT @ CROSS PLAINS,WI 05406469: Flow=2.6cfs,Stage=2.28ft,2016-09-15 06:00,Not ranked,BREWERY CREEK-UPSTREAM SITE-AT CROSS PLAINS, WI 05406457: Flow=9.6cfs,Stage=2.15ft,2016-09-15 06:00,Not ranked,BLACK EARTH CREEK NR BREWERY RD AT CROSS PLAINS,WI 05404500: Stage=9.22ft,2016-09-15 07:00,Not ranked,DEVILS LAKE NEAR BARABOO, WI 05403000: Flow=904cfs,Stage=11.29ft,Floodstage=15ft,2016-09-15 07:30,Not ranked,YELLOW RIVER AT NECEDAH, WI 05400625: Flow=5.1cfs,Stage=3.30ft,2016-09-15 07:00,Not ranked,LITTLE PLOVER RIVER NEAR PLOVER, WI 05390685: Flow=8.9cfs,Stage=11.29ft,2016-09-15 07:30,Not ranked,MUSKELLUNGE CREEK NEAR ST. GERMAIN, WI 05390500: Stage=90.79ft,2016-09-15 07:30,Not ranked,ANVIL LAKE NEAR EAGLE RIVER, WI 05389500: Flow=21700cfs,2013-10-30 00:00,Stage=12.98ft,2016-09-15 07:15:00,Floodstage=16ft,Not ranked,Mississippi River at McGregor, IA 05389400: Flow=49cfs,Stage=4.41ft,2016-09-15 08:00,Not ranked,Bloody Run Creek near Marquette, IA 05389000: Flow=700cfs,Stage=6.74ft,2016-09-15 07:45,Not ranked,Yellow River near Ion, IA 05386400: Stage=32.79ft,2016-09-15 07:45,Not ranked,MISSISSIPPI RIVER AT BROWNSVILLE, MN 05383075: Flow=549cfs,Stage=3.78ft,2016-09-15 07:15,Not ranked,LA CROSSE RIVER NEAR LA CROSSE, WI 05382325: Flow=222cfs,Stage=4.00ft,2016-09-15 07:15,Not ranked,LA CROSSE RIVER AT SPARTA, WI 05382284: Flow=50cfs,Stage=6.11ft,2016-09-15 07:00,Not ranked,SILVER CREEK AT STATE HIGHWAY 21 NEAR ANGELO, WI 05382267: Flow=88cfs,Stage=6.85ft,2016-09-15 07:15,Not ranked,LA CROSSE RIVER @ CNTY TRUNK HIGHWY BB NR TOMAH,WI 05382257: Flow=3.8cfs,Stage=2.19ft,2016-09-15 07:15,Not ranked,STILLWELL CREEK AT YARD ROAD NEAR TOMAH, WI 05382255: Flow=2.0cfs,Stage=2.43ft,2016-09-15 07:15,Not ranked,STILLWELL CREEK AT SIXTEENTH COURT NEAR TOMAH, WI 05379400: Flow=550cfs,Stage=3.76ft,Floodstage=8ft,2016-09-15 07:15,Not ranked,TREMPEALEAU RIVER AT ARCADIA, WI 05378490: Stage=9.36ft,2016-09-15 07:15,Not ranked,MISSISSIPPI RIVER AT LOCK AND DAM 5A NR WINONA, MN 05366800: Flow=5800cfs,Stage=5.37ft,2016-09-15 07:00,Not ranked,CHIPPEWA R AT GRAND AVE AT EAU CLAIRE, WI 05365550: Flow=5050cfs,Stage=6.73ft,2016-09-15 07:00,Not ranked,CHIPPEWA RIVER BELOW DELLS DAM AT EAU CLAIRE, WI 05357335: Flow=91cfs,Stage=4.87ft,2016-09-15 07:15,Not ranked,BEAR RIVER NEAR MANITOWISH WATERS, WI 05357245: Flow=49cfs,Stage=1.37ft,2016-09-15 05:00,Not ranked,TROUT RIVER AT TROUT LAKE NEAR BOULDER JUNCTION,WI 05357230: Flow=3.4cfs,Stage=7.96ft,2016-09-15 06:30,Not ranked,NORTH CREEK AT TROUT LAKE NEAR BOULDER JUNCTION,WI 05357225: Flow=2.3cfs,Stage=7.80ft,2016-09-15 06:15,Not ranked,STEVENSON CREEK @ CT HWY M NR BOULDER JUNCTION, WI 05357215: Flow=14cfs,Stage=1.58ft,2016-09-15 06:15,Not ranked,ALLEQUASH CREEK @ CT HWY M NR BOULDER JUNCTION, WI 05357206: Flow=5.1cfs,Stage=0.59ft,2016-09-15 07:15,Not ranked,ALLEQUASH CREEK SITE NO. 3 NR BOULDER JUNCTION, WI 05344490: Flow=9120cfs,Stage=28.83ft,2016-09-15 07:00,Not ranked,ST. CROIX RIVER AT PRESCOTT, WI 05342000: Flow=113cfs,Stage=10.42ft,2016-09-15 06:00,Not ranked,KINNICKINNIC RIVER NEAR RIVER FALLS, WI 05341752: Flow=152cfs,Stage=3.88ft,2016-09-15 06:00,Not ranked,WILLOW RIVER @ WILLOW R STATE PARK NR BURKHARDT,WI 05331833: Flow=206cfs,Stage=2.13ft,2016-09-15 07:00,Not ranked,NAMEKAGON RIVER AT LEONARDS, WI 04087214: Flow=8.4cfs,Stage=10.72ft,2016-09-12 14:45,Not ranked,ROOT RIVER AT GRANGE AVENUE AT GREENFIELD, WI 04087170: Flow=951cfs,Stage=9.54ft,2016-09-15 06:05,Not ranked,MILWAUKEE RIVER AT MOUTH AT MILWAUKEE, WI 04087142: Flow=-146cfs,Stage=14.09ft,2016-09-15 07:10,Not ranked,MENOMONEE RIVER AT 16TH STREET AT MILWAUKEE, WI 04087119: Flow=0.52cfs,Stage=9.82ft,2016-09-15 07:00,Not ranked,HONEY CREEK AT WAUWATOSA, WI 04087070: Flow=2.0cfs,Stage=3.70ft,2016-09-15 06:00,Not ranked,LITTLE MENOMONEE RIVER AT MILWAUKEE, WI 04087050: Flow=1.6cfs,Stage=2.02ft,2016-09-15 07:00,Not ranked,LITTLE MENOMONEE RIVER NEAR FREISTADT, WI 04085108: Flow=24cfs,Stage=5.58ft,2016-09-15 07:05,Not ranked,EAST RIVER @ CNTY TRUNK HIGHWAY ZZ NR GREENLEAF,WI 04085082: Stage=580.86ft,2016-09-15 07:50,Not ranked,FOX RIVER DS FROM DUTCHMAN CREEK AT GREEN BAY, WI 04085062: Stage=580.83ft,2016-08-20 06:33,Not ranked,FOX RIVER S OF FOX POINT BOAT LAUNCH @ DE PERE, WI 04085061: Stage=580.82ft,2016-09-15 07:50,Not ranked,FOX RIVER AT FORT HOWARD PAPER MILL AT DE PERE, WI 04084927: Flow=1.7cfs,Stage=3.31ft,2016-09-15 07:00,Not ranked,WEST PLUM CREEK AT NEW ROAD NEAR WRIGHTSTOWN, WI 04084911: Flow=4.0cfs,Stage=2.54ft,2016-09-15 06:00,Not ranked,PLUM CREEK NEAR WRIGHTSTOWN, WI 04084445: Flow=3835cfs,Stage=5.58ft,Floodstage=8.4ft,2016-09-15 07:15,Not ranked,FOX RIVER AT APPLETON, WI 04084255: Stage=2.66ft,2016-09-15 04:05,Not ranked,LAKE WINNEBAGO NEAR STOCKBRIDGE, WI 04082500: Stage=2.77ft,Floodstage=3.5ft,2016-09-15 07:00,Not ranked,LAKE WINNEBAGO AT OSHKOSH, WI 04082400: Flow=5570cfs,Stage=6.30ft,Floodstage=7.5ft,2016-09-15 07:15,Not ranked,FOX RIVER AT OSHKOSH, WI 04080798: Flow=26cfs,Stage=8.59ft,2016-09-15 06:00,Not ranked,TOMORROW RIVER NEAR NELSONVILLE, WI 04077630: Flow=126cfs,Stage=5.89ft,Floodstage=11ft,2016-09-15 07:15,Not ranked,RED RIVER AT MORGAN ROAD NEAR MORGAN, WI 04073466: Flow=21cfs,Stage=6.78ft,2016-09-15 06:05,Not ranked,SILVER CREEK AT SPAULDING ROAD NEAR GREEN LAKE, WI 04073458: Flow=0.60cfs,Stage=4.58ft,2016-09-15 06:00,Not ranked,ROY CREEK AT ROY CREEK ROAD NEAR GREEN LAKE, WI 04073365: Flow=1080cfs,Stage=5.96ft,Floodstage=9.5ft,2016-09-15 07:00,Not ranked,FOX RIVER AT PRINCETON, WI 04072150: Flow=8.4cfs,Stage=11.41ft,Floodstage=18ft,2016-09-15 06:00,Not ranked,DUCK CREEK NEAR HOWARD, WI 04072076: Flow=0.20cfs,Stage=2.33ft,2016-09-15 06:00,Not ranked,SILVER CREEK AT FLORIST DRIVE AT ONEIDA, WI 04071765: Flow=490cfs,Stage=4.63ft,Floodstage=9ft,2016-09-15 07:15,Not ranked,OCONTO RIVER NEAR OCONTO, WI 04069416: Flow=754cfs,Stage=8.30ft,Floodstage=12ft,2016-09-15 07:35,Not ranked,PESHTIGO RIVER AT PORTERFIELD, WI 04067958: Flow=335cfs,Stage=4.26ft,Floodstage=9ft,2016-09-15 04:45,Not ranked,PESHTIGO RIVER NEAR WABENO, WI 04066030: Flow=2470cfs,2016-09-15 07:30,Floodstage=14ft,Not ranked,MENOMINEE RIVER AT WHITE RAPIDS DAM NEAR BANAT, MI 04065106: Flow=2400cfs,Stage=6.80ft,Floodstage=13ft,2016-09-15 07:30,Not ranked,MENOMINEE RIVER AT NIAGARA, WI 04063500: Flow=1710cfs,Stage=15.51ft,Floodstage=20.5ft,2016-09-15 07:30,Not ranked,MENOMINEE RIVER AT TWIN FALLS NEAR IRON MT, MI 04062011: Flow=552cfs,Stage=7.11ft,Floodstage=12ft,2016-09-15 08:30,Not ranked,BRULE RIVER NEAR COMMONWEALTH, WI 04037400: Stage=4.00ft,2016-09-15 07:45,Not ranked,CISCO LAKE NEAR WATERSMEET, MI 04026561: Flow=71cfs,Stage=3.95ft,2016-09-15 07:30,Not ranked,TYLER FORKS RIVER AT STRICKER ROAD NEAR MELLEN, WI 04026511: Not ranked,Rating being developed or revised,BAD RIVER AT US HIGHWAY 169 NEAR MELLEN, WI 04026390: Stage=4.89ft,2016-09-15 06:00,Not ranked,Very low value,BEARTRAP CREEK AT U.S. HIGHWAY 2 NEAR ASHLAND, WI Go to WaterWatch (offsite) for a larger map with additional options