EPA · Wisconsin · discharge permits by parameter

Hardness, total [as CaCO3] in Wisconsin

• 28Permits carrying a limit
• 0With a recorded exceedance
• 2,593Nationwide

Permits

Other parameters in Wisconsin

• Flow, in conduit or thru treatment plant335
• Solids, total suspended312
• BOD, 5-day, 20 deg. C292
• pH269
• Phosphorus, total [as P]268
• Nitrogen, ammonia total [as N]172
• Temperature, water deg. fahrenheit123
• Chloride [as Cl]108
• Oxygen, dissolved [DO]104
• Mercury, total recoverable84
• Copper, total recoverable70
• Coliform, fecal general65
• Chlorine, total residual46
• Zinc, total recoverable35
• BOD, carbonaceous [5 day, 5 C]28
• Lead, total recoverable25
• Nickel, total recoverable24
• Chromium, total recoverable23
• Cadmium, total recoverable23
• pH range excursions, monthly total accum20
• pH range excursions, > 60 minutes20
• E. coli18
• Oil and grease, hexane extr method11
• Outfall observation,visual, y/n response11
• Nitrogen, Kjeldahl, total [as N]10
• Solids, suspended percent removal9
• Nitrite + Nitrate total [as N]8
• Mercury, total [as Hg]8
• Arsenic, total recoverable7
• Nitrogen, total [as N]7
• Rainfall7
• BOD, carbonaceous [5 day, 20 C]6
• BOD, 5-day, percent removal6
• Cyanide, total [as CN]6
• Oxidants, total residual5
• Di[2-ethylhexyl] phthalate [DEHP]5
• Toluene4
• Aluminum, total recoverable4
• Nitrogen, organic total [as N]4
• Silver total recoverable4
• Acenaphthylene4
• BOD, carb-5 day, 20 deg C, percent removal4
• Heat [summer] [per hour]4
• Naphthalene4
• Benzene3
• Benzo[ghi]perylene3
• Sulfate, total [as SO4]3
• Dibenz[a,h]anthracene3
• Chrysene3
• Benzo[a]pyrene3
• Benzo[a]anthracene3
• Fluorene3
• Indeno[1,2,3-cd]pyrene3
• Fluoranthene3
• Acenaphthene3
• Benzo[b]fluoranthene3
• Stream flow, instantaneous3
• Oxygen demand, chem. [high level] [COD]3
• Benzo[k]fluoranthene3
• Anthracene3

Hardness, total [as CaCO3] nationwide