EPA · Iowa · discharge permits by parameter
Toxicity [acute], Ceriodaphnia dubia in Iowa
- 129Permits carrying a limit
- 39With a recorded exceedance
- 1,393Nationwide
Permits
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| WALTER SCOTT JR. ENERGY CENTER | IA0004308 | COUNCIL BLUFFS | Major | Lake Manawa-Missouri River | |
| WEBSTER CITY, CITY OF STP | IA0036625 | WEBSTER CITY | Publicly owned treatment works | Major | Drainage Ditch 32-Boone River |
| ADEL CITY OF STP | IA0041921 | ADEL | Publicly owned treatment works | Major | Hickory Creek-North Raccoon River |
| CRESCO CITY OF STP | IA0021334 | CRESCO | Publicly owned treatment works | Major | Silver Creek |
| GRUNDY CENTER CITY OF STP | IA0024511 | GRUNDY CENTER | Publicly owned treatment works | Major | Minnehaha Creek-Black Hawk Creek |
| JESUP, CITY OF STP (SOUTH) | IA0075302 | JESUP | Publicly owned treatment works | Major | Spring Creek |
| MASON CITY, CITY OF STP | IA0057169 | MASON CITY | Publicly owned treatment works | Major | Mason Creek-Winnebago River |
| MOUNT VERNON CITY OF STP | IA0023710 | MOUNT VERNON | Publicly owned treatment works | Major | Spring Creek-Cedar River |
| MIDAMERICAN ENERGY - NEAL NORTH ENERGY CENTER | IA0004103 | SERGEANT BLUFF | Major | Bacon Creek-Missouri River | |
| ANAMOSA CITY OF STP | IA0025895 | ANAMOSA | Publicly owned treatment works | Major | Dutch Creek-Wapsipinicon River |
| LE MARS CITY OF STP | IA0036536 | LE MARS | Publicly owned treatment works | Major | Village of Merrill-Floyd River |
| WAUKON CITY OF STP | IA0033081 | WAUKON | Publicly owned treatment works | Major | Headwaters Paint Creek |
| OSAGE CITY OF STP | IA0032956 | OSAGE | Publicly owned treatment works | Major | Sugar Creek-Cedar River |
Other parameters in Iowa
- pH1,164
- Solids, total suspended1,048
- BOD, carbonaceous [5 day, 20 C]883
- Nitrogen, ammonia total [as N]863
- E. coli645
- BOD, 5-day, 20 deg. C509
- Depth of pond or reservoir in feet413
- Oxygen, dissolved [DO]378
- Nitrogen, total [as N]238
- Nitrogen, Kjeldahl, total [as N]211
- Chloride [as Cl]208
- Chlorine, total residual206
- Phosphorus, total [as P]191
- Toxicity [acute], Pimephales promelas [Fathead Minnow]129
- Iron, total [as Fe]107
- Oil & Grease100
- Copper, total [as Cu]89
- Nitrogen, nitrate total [as N]80
- Sulfate, total [as SO4]52
- Solids, settleable47
- Temperature, water deg. fahrenheit47
- Zinc, total [as Zn]35
- Cyanide, total [as CN]30
- Flow, in conduit or thru treatment plant27
- Annual Nitrate Nitrogen Discharged26
- Cadmium, total [as Cd]24
- Sludge settleability 30 minute23
- Mixed liquor23
- Aluminum, total [as Al]22
- Chromium, total [as Cr]22
- Lead, total [as Pb]21
- Nitrogen, total Kjeldahl20
- Silver, total [as Ag]19
- Oxygen demand, chem. [high level] [COD]17
- Benzene16
- Coliform, fecal general16
- Benzene, toluene, xylene in combination15
- Nickel, total [as Ni]15
- Chromium, hexavalent [as Cr]15
- Chlorination duration14
- Solids, total dissolved13
- Selenium, total [as Se]13
- Report due [yrmoda]12
- Solids, Settleable, Net11
- Temperature, length of excursion7
- Chlorine, free available7
- Toluene6
- Phenols6
- Streamflow6
- Organics, total toxic [TTO]5
- Trichloroethene5
- Di[2-ethylhexyl] phthalate [DEHP]5
- Ethylbenzene5
- Mercury, total [as Hg]5
- Polychlorinated biphenyls [PCBs]5
- Manganese, total [as Mn]5
- Phenol5
- Thallium, total [as Tl]5
- Chloroform5
- 1,2-Dichloroethane5