EPA · Iowa · discharge permits by parameter
Mercury, total [as Hg] in Iowa
- 5Permits carrying a limit
- 3With a recorded exceedance
- 5,569Nationwide
A parameter is the substance or the property EPA writes a numeric limit for, and this page counts the Iowa permits that carry one for Mercury, total [as Hg]: 5 permits, of which 3 have a recorded exceedance. Nationwide the same parameter appears in 5,569 permits. Each row below is one permit, and it opens the agency’s own record for that permit.
Permits
Other pollutants in Iowa
- Hydrocarbons, total gas chromatograph 3
- Nitrogen, total Kjeldahl 20
- Flow, in conduit or thru treatment plant 27
- Chlorine, total residual 206
- Chlorine, free available 7
- E. coli 645
- Annual Nitrate Nitrogen Discharged 26
- Toxicity [acute], Ceriodaphnia dubia 129
- Toxicity [acute], Pimephales promelas [Fathead Minnow] 129
- Solids, total dissolved 13
- Depth of pond or reservoir in feet 413
- Coliform, fecal general 16
- Organics, total toxic [TTO] 5
- Tetrachloroethene 4
- Trichloroethene 5
- Chlorination duration 14
- Precipitation volume 3
- BOD, carbonaceous [5 day, 20 C] 883
- Sludge settleability 30 minute 23
- Mixed liquor 23
Mercury, total [as Hg] nationwide
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