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Emerging Contaminant and Endocrine Studies

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Wastewater Exposure Experiments

U.S. Geological Survey and St. Cloud State University conducted on-site, continuous-flow experiments during August and October 2002 at a major metropolitan wastewater treatment plant (WWTP) in Minnesota to determine if effluent exposure induced endocrine disruption in sexually mature male fathead minnows (Pimephales promelas). Fathead minnows were exposed during two during two separate time periods (August and October 2007) in parallel experiments to WWTP effluent and WWTP effluent treated with XAD8 macroreticular resin to remove the hydrophobic-neutral fraction which contained steroidal hormones, alkylphenolethoxylates (APEs), and other potential endocrine disrupting compounds (EDCs). Wastewater discharged from a WWTP was continuously pumped through the aquariums for 28 days. This design allowed the fish to be exposed to the normal day-to-day changes in the complex mixture of chemicals contained in wastewater. Parallel experiments were conducted at the St. Cloud State University Aquatic Toxicology Laboratory exposing fish to groundwater with a mixture of alkylphenols added to it , groundwater with 17β-estradiol added to it (positive control), and groundwater with nothing added (negative control).

Treated wastewater discharge has been identified as a source of endocrine active chemicals to the aquatic environment, and this study documents some of the potential effects, both positive and negative, in fish due to exposure to wastewater. The effluent composition varied on a temporal scale and the continuous-flow experiments captured the range of chemical variability that occurred during normal WWTP operations. Several chemicals known to be potential endocrine active chemicals were found, such as alkylphenols, bisphenol A, and hormones. Concentrations of endocrine disrupting chemicals were greater in October than in August, reflecting a change in effluent composition. During both experiments, XAD8 treatment removed greater than 90% of the alkylphenols.

Exposure to WWTP effluent resulted in vitellogenin (a precursor protein in egg development normally found in female fish) induction in male fathead minnows, with greater response in October than in August. In the October experiment, XAD8 treatment significantly reduced vitellogenin induction in the male fathead minnows relative to the untreated effluent, whereas in August, XAD8 treatment had little effect. In contrast to expectations, the GSI and SSCI increased in males exposed to WWTP effluent compared to groundwater controls.

This study increases the scientific communities' understanding of the potential effects of wastewater on fish in streams, and this information can be use to make better decisions regarding the discharge of wastewater to the environment. In some cases, beneficial effects (such as increased gonadosomatic index - the ratio between gonad weight and body weight - a sign of healthy growth) were observed along with detrimental effects (such as male minnows producing vitellogenin).

Barber, L.B., Lee, K.E., Swackhamer, D.L., Schoenfuss, H.L., 2007, Reproductive responses of male fathead minnows exposed to wastewater treatment plant effluent, effluent treated with XAD8 resin, and an environmentally relevant mixture of alkylphenol compounds: Aquatic Toxicology, v. 82, no. 1, p. 36-46, doi: doi:10.1016/j.aquatox.2007.01.003.

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URL: http://mn.water.usgs.gov/projects/CED/bioassay.html
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Page Last Modified: Wednesday, 31-Dec-2008 17:54:02 EST

05385500: Flow=381cfs,Stage=2.76ft,2019-06-20 02:30,High,SOUTH FORK ROOT RIVER NEAR HOUSTON, MN 05050000: Flow=1190cfs,Stage=9.53ft,Floodstage=80ft,2019-06-20 02:30,High,BOIS DE SIOUX RIVER NEAR WHITE ROCK, SD 05385000: Flow=2580cfs,Stage=6.51ft,Floodstage=15ft,2019-06-20 02:45,>90,ROOT RIVER NEAR HOUSTON, MN 05325000: Flow=18400cfs,Stage=13.59ft,Floodstage=22ft,2019-06-20 02:30,>90,MINNESOTA RIVER AT MANKATO, MN 05311000: Flow=5040cfs,Stage=13.16ft,Floodstage=14ft,2019-06-20 02:00,>90,MINNESOTA RIVER AT MONTEVIDEO, MN 05301000: Flow=3960cfs,Stage=31.69ft,2019-06-20 02:00,>90,MINNESOTA RIVER NEAR LAC QUI PARLE, MN 05294000: Flow=558cfs,Stage=6.60ft,2019-06-20 02:45,>90,POMME DE TERRE RIVER AT APPLETON, MN 05336700: Flow=193cfs,Stage=4.60ft,2019-06-20 02:45,<10,KETTLE RIVER BELOW SANDSTONE, MN 06482610: Flow=337cfs,Stage=3.54ft,Floodstage=8.5ft,2019-06-20 02:45,76-90,SPLIT ROCK CR AT CORSON,SD 05476000: Flow=1950cfs,Stage=9.78ft,Floodstage=12ft,2019-06-20 02:30,76-90,DES MOINES RIVER AT JACKSON, MN 05457000: Flow=697cfs,Stage=4.59ft,2019-06-20 02:00,76-90,CEDAR RIVER NEAR AUSTIN, MN 05388250: Flow=1980cfs,Stage=9.21ft,Floodstage=14ft,2019-06-20 02:00,76-90,Upper Iowa River near Dorchester, IA 05378500: Flow=68200cfs,Stage=8.85ft,Floodstage=13ft,2019-06-20 02:45,76-90,MISSISSIPPI RIVER AT WINONA, MN 05372995: Flow=627cfs,Stage=4.31ft,Floodstage=14ft,2019-06-20 02:15,76-90,SOUTH FORK ZUMBRO RIVER AT ROCHESTER, MN 05345000: Flow=132cfs,Stage=3.67ft,2019-06-20 02:15,76-90,VERMILLION RIVER NEAR EMPIRE, MN 05344500: Flow=43400cfs,Stage=29.89ft,2019-06-20 02:15,76-90,MISSISSIPPI RIVER AT PRESCOTT, WI 05331000: Flow=37300cfs,Stage=7.81ft,Floodstage=14ft,2019-06-20 02:00,76-90,MISSISSIPPI RIVER AT ST. PAUL, MN 05330000: Flow=21400cfs,Stage=21.79ft,Floodstage=25ft,2019-06-20 02:45,76-90,MINNESOTA RIVER NEAR JORDAN, MN 05320000: Flow=4820cfs,Stage=6.02ft,2019-06-20 02:45,76-90,BLUE EARTH RIVER NEAR RAPIDAN, MN 05317200: Flow=208cfs,Stage=4.87ft,2019-06-20 02:15,76-90,LITTLE COTTONWOOD RIVER NEAR COURTLAND, MN 05317000: Flow=1850cfs,Stage=7.48ft,Floodstage=11ft,2019-06-20 02:00,76-90,COTTONWOOD RIVER NEAR NEW ULM, MN 05316500: Flow=774cfs,Stage=3.92ft,Floodstage=6ft,2019-06-20 02:30,76-90,REDWOOD RIVER NEAR REDWOOD FALLS, MN 05315000: Flow=353cfs,Stage=9.52ft,Floodstage=14ft,2019-06-20 02:45,76-90,REDWOOD RIVER NEAR MARSHALL, MN 05313500: Flow=554cfs,Stage=5.52ft,2019-06-20 02:45,76-90,YELLOW MEDICINE RIVER NEAR GRANITE FALLS, MN 05304500: Flow=1470cfs,Stage=4.03ft,2019-06-20 02:45,76-90,CHIPPEWA RIVER NEAR MILAN, MN 05300000: Flow=702cfs,Stage=8.13ft,2019-06-20 02:45,76-90,LAC QUI PARLE RIVER NEAR LAC QUI PARLE, MN 05291000: Flow=177cfs,Stage=2.42ft,Floodstage=12ft,2019-06-20 02:45,76-90,WHETSTONE RIVER NEAR BIG STONE CITY, SD 05290000: Flow=101cfs,Stage=11.22ft,Floodstage=17ft,2019-06-20 02:45,76-90,LITTLE MINNESOTA RIVER NEAR PEEVER, SD 05280000: Flow=2870cfs,Stage=6.05ft,Floodstage=10ft,2019-06-20 02:15,76-90,CROW RIVER AT ROCKFORD, MN 05270500: Flow=1010cfs,Stage=3.66ft,Floodstage=6ft,2019-06-20 02:15,76-90,SAUK RIVER NEAR ST. CLOUD, MN 05247500: Flow=2960cfs,Stage=5.04ft,2019-06-20 02:45,76-90,CROW WING RIVER NEAR PILLAGER, MN 05054000: Flow=2750cfs,Stage=16.64ft,Floodstage=18ft,2019-06-20 02:15,76-90,RED RIVER OF THE NORTH AT FARGO, ND 05053000: Flow=290cfs,Stage=2.09ft,Floodstage=10ft,2019-06-20 02:15,76-90,WILD RICE RIVER NR ABERCROMBIE, ND 05051522: Flow=2320cfs,Stage=14.95ft,Floodstage=30ft,2019-06-20 02:45,76-90,RED RIVER OF THE NORTH AT HICKSON, ND 05046000: Flow=1200cfs,Stage=4.15ft,2019-06-20 02:30,76-90,OTTER TAIL RIVER BL ORWELL D NR FERGUS FALLS, MN 05212700: Flow=106cfs,Stage=2.67ft,Floodstage=10ft,2019-06-20 02:45,10-24,PRAIRIE RIVER NEAR TACONITE, MN 05131500: Flow=362cfs,Stage=3.01ft,2019-06-20 02:30,10-24,LITTLE FORK RIVER AT LITTLEFORK, MN 05124480: Flow=190cfs,Stage=3.79ft,2019-06-20 02:15,10-24,KAWISHIWI RIVER NEAR ELY, MN 05104500: Flow=38.5cfs,Stage=4.75ft,2019-06-20 02:30,10-24,ROSEAU RIVER BELOW SOUTH FORK NEAR MALUNG, MN 04024430: Flow=126cfs,Stage=4.86ft,2019-06-20 02:00,10-24,NEMADJI RIVER NEAR SOUTH SUPERIOR, WI 04015330: Flow=22.8cfs,Stage=26.03ft,2019-06-20 02:15,10-24,KNIFE RIVER NEAR TWO HARBORS, MN 05355200: Flow=1250cfs,Stage=5.17ft,2019-06-20 02:15,25-75,CANNON RIVER AT WELCH, MN 05353800: Flow=472cfs,Stage=5.05ft,2019-06-20 02:15,25-75,STRAIGHT RIVER NEAR FARIBAULT, MN 05340500: Flow=4360cfs,Stage=3.81ft,2019-06-20 02:00,25-75,ST. CROIX RIVER AT ST. CROIX FALLS, WI 05338500: Flow=366cfs,Stage=3.43ft,Floodstage=9ft,2019-06-20 02:15,25-75,SNAKE RIVER NEAR PINE CITY, MN 05333500: Flow=1550cfs,Stage=1.54ft,2019-06-20 02:00,25-75,ST. CROIX RIVER NEAR DANBURY, WI 05327000: Flow=216cfs,Stage=5.23ft,2019-06-20 02:30,25-75,HIGH ISLAND CREEK NEAR HENDERSON, MN 05320500: Flow=1360cfs,Stage=4.35ft,2019-06-20 02:00,25-75,LE SUEUR RIVER NEAR RAPIDAN, MN 05319500: Flow=1180cfs,Stage=3.77ft,2019-06-20 02:30,25-75,WATONWAN RIVER NEAR GARDEN CITY, MN 05293000: Flow=140cfs,Stage=2.56ft,2019-06-20 02:30,25-75,YELLOW BANK RIVER NEAR ODESSA, MN 05292000: Flow=139cfs,Stage=2.35ft,Floodstage=10ft,2019-06-20 02:30,25-75,MINNESOTA RIVER AT ORTONVILLE, MN 05288500: Flow=14600cfs,Stage=5.72ft,2019-06-20 02:00,25-75,MISSISSIPPI RIVER AT HWY 610 IN BROOKLYN PARK, MN 05286000: Flow=1060cfs,Stage=3.85ft,2019-06-20 02:30,25-75,RUM RIVER NEAR ST. FRANCIS, MN 05275000: Flow=321cfs,Stage=1.65ft,2019-06-20 02:15,25-75,ELK RIVER NEAR BIG LAKE, MN 05270700: Flow=7920cfs,Stage=5.75ft,Floodstage=9ft,2019-06-20 02:45,25-75,MISSISSIPPI RIVER AT ST. CLOUD, MN 05267000: Flow=7010cfs,Stage=10.69ft,2019-06-20 02:15,25-75,MISSISSIPPI RIVER NEAR ROYALTON, MN 05245100: Flow=341cfs,Stage=4.10ft,Floodstage=7ft,2019-06-20 02:15,25-75,LONG PRAIRIE RIVER AT LONG PRAIRIE, MN 05244000: Flow=623cfs,Stage=3.35ft,2019-06-20 02:00,25-75,CROW WING RIVER AT NIMROD, MN 05243725: Flow=60.0cfs,Stage=1.31ft,2019-06-20 02:30,25-75,STRAIGHT RIVER NEAR PARK RAPIDS, MN 05242300: Flow=3550cfs,Stage=6.92ft,2019-06-20 02:30,25-75,MISSISSIPPI RIVER AT BRAINERD, MN 05227500: Flow=2860cfs,Stage=7.17ft,Floodstage=13ft,2019-06-20 02:30,25-75,MISSISSIPPI RIVER AT AITKIN, MN 05211000: Flow=1910cfs,Stage=6.07ft,2019-06-20 02:00,25-75,MISSISSIPPI RIVER AT GRAND RAPIDS, MN 05200510: Flow=426cfs,Stage=3.80ft,2019-06-20 02:30,25-75,MISSISSIPPI RIVER NEAR BEMIDJI, MN 05134200: Flow=562cfs,Stage=4.86ft,2019-06-20 02:15,25-75,RAPID RIVER NEAR BAUDETTE, MN 05132000: Flow=538cfs,Stage=3.83ft,2019-06-20 02:30,25-75,BIG FORK RIVER AT BIG FALLS, MN 05129290: Flow=640cfs,Stage=17.98ft,2019-06-20 02:30,25-75,GOLD PORTAGE OUTLET FROM KABETOGAMA LK NR RAY,MN 05129115: Flow=602cfs,Stage=7.46ft,2019-06-20 02:30,25-75,VERMILION RIVER NR CRANE LAKE, MN 05127500: Flow=1750cfs,Stage=3.99ft,2019-06-20 02:30,25-75,BASSWOOD RIVER NEAR WINTON, MN 05112000: Flow=279cfs,Stage=3.44ft,2019-06-20 02:30,25-75,ROSEAU RIVER BELOW STATE DITCH 51 NR CARIBOU, MN 05107500: Flow=189cfs,Stage=3.78ft,2019-06-20 02:30,25-75,ROSEAU RIVER AT ROSS, MN 05106000: Flow=67.4cfs,Stage=3.68ft,2019-06-20 02:30,25-75,SPRAGUE CREEK NEAR SPRAGUE, MANITOBA, CANADA 05094000: Flow=33.7cfs,Stage=3.88ft,2019-06-20 02:15,25-75,SOUTH BRANCH TWO RIVERS AT LAKE BRONSON, MN 05092000: Flow=5780cfs,Stage=14.83ft,Floodstage=32ft,2019-06-20 02:45,25-75,RED RIVER OF THE NORTH AT DRAYTON, ND 05087500: Flow=26.1cfs,Stage=3.71ft,2019-06-20 02:00,25-75,MIDDLE RIVER AT ARGYLE, MN 05082500: Flow=5470cfs,Stage=18.03ft,Floodstage=28ft,2019-06-20 02:45,25-75,RED RIVER OF THE NORTH AT GRAND FORKS, ND 05079000: Flow=1170cfs,Stage=6.21ft,Floodstage=15ft,2019-06-20 02:45,25-75,RED LAKE RIVER AT CROOKSTON, MN 05078500: Flow=255cfs,Stage=5.99ft,2019-06-20 02:45,25-75,CLEARWATER RIVER AT RED LAKE FALLS, MN 05078230: Flow=19.0cfs,Stage=4.49ft,2019-06-20 02:30,25-75,LOST RIVER AT OKLEE, MN 05078000: Flow=174cfs,Stage=3.34ft,2019-06-20 02:15,25-75,CLEARWATER RIVER AT PLUMMER, MN 05076000: Flow=39.8cfs,Stage=4.90ft,2019-06-20 02:15,25-75,THIEF RIVER NEAR THIEF RIVER FALLS, MN 05075000: Flow=518cfs,Stage=4.57ft,Floodstage=12ft,2019-06-20 02:00,25-75,RED LAKE RIVER AT HIGH LANDING NR GOODRIDGE, MN 05074500: Flow=239cfs,Stage=69.67ft,2019-06-20 02:30,25-75,RED LAKE RIVER NEAR RED LAKE, MN 05069000: Flow=72.2cfs,Stage=4.58ft,Floodstage=20ft,2019-06-20 02:45,25-75,SAND HILL RIVER AT CLIMAX, MN 05067500: Flow=7.33cfs,Stage=4.23ft,Floodstage=14ft,2019-06-20 02:30,25-75,MARSH RIVER NEAR SHELLY, MN 05064500: Flow=3930cfs,Stage=9.97ft,Floodstage=26ft,2019-06-20 02:30,25-75,RED RIVER OF THE NORTH AT HALSTAD, MN 05064000: Flow=432cfs,Stage=6.81ft,Floodstage=20ft,2019-06-20 02:30,25-75,WILD RICE RIVER AT HENDRUM, MN 05062500: Flow=286cfs,Stage=2.81ft,Floodstage=10ft,2019-06-20 02:45,25-75,WILD RICE RIVER AT TWIN VALLEY, MN 05062000: Flow=138cfs,Stage=4.70ft,Floodstage=13ft,2019-06-20 02:45,25-75,BUFFALO RIVER NEAR DILWORTH, MN 05061500: Flow=31.1cfs,Stage=5.46ft,Floodstage=13ft,2019-06-20 02:45,25-75,SOUTH BRANCH BUFFALO RIVER AT SABIN, MN 05061000: Flow=94.1cfs,Stage=3.98ft,Floodstage=8ft,2019-06-20 02:45,25-75,BUFFALO RIVER NEAR HAWLEY, MN 04024000: Flow=1660cfs,Stage=3.75ft,Floodstage=10.5ft,2019-06-20 02:30,25-75,ST. LOUIS RIVER AT SCANLON, MN 04010500: Flow=801cfs,Stage=4.86ft,2019-06-20 02:30,25-75,PIGEON RIVER AT MIDDLE FALLS NR GRAND PORTAGE MN 464646092052900: Flow=3750cfs,Stage=603.48ft,2019-06-20 02:00,Not ranked,SUPERIOR BAY DULUTH SHIP CANAL AT DULUTH, MN 06604000: Stage=14.84ft,Floodstage=16ft,2019-06-20 02:15,Not ranked,Spirit Lake near Orleans, IA 06483290: Flow=1100cfs,Stage=9.74ft,Floodstage=13ft,2019-06-20 02:15,Not ranked,Rock River below Tom Creek at Rock Rapids, IA 05475350: Stage=14.99ft,Floodstage=19ft,2019-06-20 02:00,Not ranked,DES MOINES RIVER ABOVE WINDOM, MN 05387030: Flow=37.7cfs,2017-10-01 01:00,Stage=7.06ft,2019-06-20 02:30:00,Not ranked,CROOKED CREEK AT FREEBURG MN 05386400: Stage=32.04ft,2019-06-20 02:45,Not ranked,MISSISSIPPI RIVER AT BROWNSVILLE, MN 05384350: Stage=11.48ft,Floodstage=21ft,2019-06-20 02:00,Not ranked,ROOT RIVER ABOVE RUSHFORD, MN 05383950: Flow=1190cfs,Stage=9.80ft,Floodstage=19ft,2019-06-20 02:00,Not ranked,ROOT RIVER NEAR PILOT MOUND, MN 05383075: Flow=563cfs,Stage=3.20ft,Floodstage=7.5ft,2019-06-20 02:15,Not ranked,LA CROSSE RIVER NEAR LA CROSSE, WI 05378490: Stage=10.09ft,2019-06-20 02:15,Not ranked,MISSISSIPPI RIVER AT LOCK AND DAM 5A NR WINONA, MN 05374900: Flow=2160cfs,Stage=5.39ft,2019-06-20 02:00,Not ranked,ZUMBRO RIVER AT KELLOGG, MN 05374000: Stage=7.80ft,Floodstage=18ft,2019-06-20 02:30,Not ranked,ZUMBRO RIVER AT ZUMBRO FALLS, MN 05355250: Flow=45500cfs,2019-06-20 01:45,Stage=7.73ft,2019-06-20 02:15:00,Floodstage=14ft,Not ranked,MISSISSIPPI RIVER AT RED WING, MN 05355235: Stage=9.22ft,2019-06-20 02:00,Not ranked,MISSISSIPPI RIVER ABV RED WING BLW DIAMOND ISL, MN 05355092: Flow=1130cfs,Stage=9.20ft,2019-06-20 02:15,Not ranked,CANNON RIVER AT 9TH ST. BRIDGE IN CANNON FALLS, MN 05355080: 2019-06-20 02:15,Not ranked,PRAIRIE CREEK NEAR CANNON FALLS, MN 05355038: 2019-06-20 02:30,Not ranked,CHUB CREEK AT CO. HWY. 47 ABOVE RANDOLPH, MN 05355024: Flow=913cfs,Stage=891.53ft,Floodstage=897ft,2019-06-20 02:30,Not ranked,CANNON RIVER AT NORTHFIELD MN 05354500: Flow=723cfs,Stage=11.85ft,2019-06-20 02:15,Not ranked,CANNON RIVER AT CO. HWY. 29 BELOW FARIBAULT, MN 05346050: Stage=676.31ft,2019-03-22 11:00,Not ranked,Clear Lake, east side, at Prairie Island, MN(SW08) 05344490: Flow=5950cfs,Stage=29.86ft,2019-06-20 02:15,Not ranked,ST. CROIX RIVER AT PRESCOTT, WI 05342000: Flow=133cfs,Stage=9.68ft,2019-06-20 02:00,Not ranked,KINNICKINNIC RIVER NEAR RIVER FALLS, WI 05341550: Stage=680.15ft,2019-06-20 02:15:00,Floodstage=687ft,Not ranked,Equipment malfunction, ,ST. CROIX RIVER AT STILLWATER, MN 05331580: Flow=37000cfs,2019-06-20 02:30,Stage=12.15ft,2019-06-20 02:45:00,Not ranked,MISSISSIPPI RIVER BELOW L&D #2 AT HASTINGS, MN 05330920: Stage=694.24ft,2019-06-20 02:15:00,Not ranked,Equipment malfunction,MINNESOTA RIVER AT FORT SNELLING STATE PARK, MN 05316770: Flow=9600cfs,Stage=796.07ft,Floodstage=800ft,2019-06-20 02:45,Not ranked,MINNESOTA RIVER AT NEW ULM, MN 05316580: Flow=8020cfs,Stage=20.68ft,Floodstage=21ft,2019-06-20 02:30,Not ranked,MINNESOTA RIVER AT MORTON, MN 05311150: Flow=4990cfs,Stage=883.50ft,Floodstage=888.5ft,2019-06-20 02:15,Not ranked,MINNESOTA RIVER AT HWY 212 IN GRANITE FALLS, MN 05305000: Flow=543cfs,Stage=39.18ft,2019-06-20 02:00,Not ranked,CHIPPEWA RIVER (TW) NEAR WATSON, MN 05304995: Stage=40.12ft,2019-06-20 02:00,Not ranked,CHIPPEWA R. (HW) ABOVE COUNTY RD 13 NR WATSON, MN 05292704: Flow=0.00cfs,2003-09-22 23:45,Not ranked,NORTH FORK YELLOW BANK RIVER NEAR ODESSA, MN 05289800: Flow=248cfs,Stage=14.87ft,2019-06-20 02:00,Not ranked,MINNEHAHA CREEK AT HIAWATHA AVE. IN MINNEAPOLIS,MN 05289000: Stage=929.67ft,2019-06-20 02:30,Not ranked,LAKE MINNETONKA ABV GRAYS BAY OTLT IN MINNETONKA 05288705: Flow=14.6cfs,Stage=9.53ft,2019-06-20 02:00,Not ranked,SHINGLE CREEK AT QUEEN AVE IN MINNEAPOLIS, MN 05288670: Stage=90.35ft,2019-06-20 02:30,Not ranked,MISSISSIPPI RIVER ABV 37TH AVE. NE IN FRIDLEY, MN 05288580: Flow=182cfs,Stage=9.54ft,2019-06-20 02:45,Not ranked,RICE CREEK BLW OLD HWY. 8 IN MOUNDS VIEW, MN 05287890: Stage=4.46ft,2019-06-19 16:00:00,Not ranked,Rating being developed or revised,ELM CREEK NR CHAMPLIN, MN 05284000: Stage=12.29ft,2019-06-20 02:15,Not ranked,MILLE LACS LAKE AT COVE BAY NEAR ONAMIA, MN 05283500: Flow=12600cfs,Stage=5.62ft,Floodstage=12ft,2019-06-20 02:30,Not ranked,MISSISSIPPI RIVER AT US HWY 169 AT CHAMPLIN, MN 05227530: Flow=312cfs,Stage=4.90ft,2019-06-20 02:00,Not ranked,MISSISSIPPI RIVER DIVERSION NEAR AITKIN, MN 05210000: Stage=75.38ft,2019-06-20 02:30,Not ranked,MISSISSIPPI R. AT DAYS HIGH LANDING NR DEER RIVER 05207600: Flow=2020cfs,Stage=9.12ft,2019-06-20 02:15,Not ranked,MISSISSIPPI RIVER AT WILLOW BEACH AT BALL CLUB, MN 05205900: Stage=95.28ft,2019-06-20 02:00,Not ranked,LEECH LAKE AT SUGAR POINT NEAR FEDERAL DAM, MN 05140521: 2019-06-20 02:00,Not ranked,LK OF THE WOODS @ SPRINGSTEEL IS NR. WARROAD, MN 05140520: Stage=59.65ft,2019-06-20 02:30,Not ranked,LAKE OF THE WOODS AT WARROAD, MN 05137500: Flow=25600cfs,2018-10-22 11:15,Stage=5.69ft,2019-06-20 02:00:00,Not ranked,RAINY RIVER NEAR BOAT LANDING AT WHEELERS POINT,MN 05133500: Flow=17500cfs,Stage=8.08ft,2019-06-18 08:15,Not ranked,RAINY RIVER AT MANITOU RAPIDS, MN 05129515: Flow=16000cfs,2019-06-20 02:15,Stage=19.87ft,2019-06-20 02:30:00,Not ranked,RAINY R AT BOAT LANDING BLW INTERNATIONAL FALLS,MN 05126210: Flow=575cfs,Stage=4.72ft,2019-06-20 02:30,Not ranked,SOUTH KAWISHIWI R ABV WHITE IRON LAKE NR ELY, MN 05125000: Flow=411cfs,Stage=3.11ft,2019-06-20 02:30,Not ranked,SOUTH KAWISHIWI RIVER NEAR ELY, MN 05102490: Stage=18.00ft,Floodstage=39ft,2019-06-20 02:30,Not ranked,RED RIVER OF THE NORTH AT PEMBINA, ND 05085450: Flow=12.6cfs,Stage=61.08ft,Floodstage=67ft,2019-06-20 02:45,Not ranked,SNAKE RIVER ABOVE WARREN, MN 05083500: Stage=11.84ft,Floodstage=26ft,2019-06-20 02:15,Not ranked,RED RIVER OF THE NORTH AT OSLO, MN 05080000: Flow=1070cfs,Stage=11.76ft,2019-06-20 02:30,Not ranked,RED LAKE RIVER AT FISHER, MN 05074000: Stage=75.40ft,2019-06-20 02:30,Not ranked,LOWER RED LAKE NR RED LAKE, MN 05073500: 2019-06-20 02:30,Not ranked,UPPER RED LAKE AT WASKISH, MN 05070000: Flow=4130cfs,Stage=22.66ft,2019-06-20 02:15,Not ranked,RED RIVER OF THE NORTH NEAR THOMPSON, ND 05063398: Flow=11.2cfs,Stage=4.72ft,2019-06-20 02:45,Not ranked,S. BR. WILD RICE RIVER AT CO. RD. 27 NR FELTON, MN 05060400: Stage=70.53ft,Floodstage=84ft,2019-06-20 02:15,Not ranked,SHEYENNE RIVER AT HARWOOD, ND 05052500: Flow=5.85cfs,Stage=22.09ft,2019-06-20 02:00,Not ranked,ANTELOPE CREEK AT DWIGHT, ND 05051500: Flow=2280cfs,Stage=8.74ft,Floodstage=11ft,2019-06-20 02:30,Not ranked,RED RIVER OF THE NORTH AT WAHPETON, ND 05051300: Flow=1230cfs,Stage=13.36ft,2019-06-20 02:30,Not ranked,BOIS DE SIOUX RIVER NEAR DORAN, MN 05049995: Stage=75.77ft,2019-06-20 02:30,Not ranked,MUD LAKE ABOVE WHITE ROCK DAM NEAR WHITE ROCK, SD 05049000: Stage=78.22ft,2019-06-20 02:30,Not ranked,MUSTINKA RIVER ABOVE WHEATON, MN 05046475: Flow=0.00cfs,Stage=5.50ft,2019-06-20 02:00,Not ranked,OTTER TAIL RIVER DIVERSION AT BRECKENRIDGE, MN 05030500: Flow=886cfs,Stage=8.12ft,2019-06-20 02:30,Not ranked,OTTER TAIL RIVER NEAR ELIZABETH, MN 04021520: Flow=61.6cfs,Stage=3.19ft,2019-06-20 02:00,Not ranked,STONEY BROOK AT PINE DRIVE NEAR BROOKSTON, MN 04015438: Flow=71.6cfs,Stage=18.09ft,2019-06-20 02:45,Not ranked,ST. LOUIS RIVER NEAR SKIBO, MN Go to WaterWatch (offsite) for a larger map with additional options