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Electric Services, major discharger, Merom, Indiana. NPDES permit IN0050296 expired Jan 31, 2026; its limits still apply. Last 12 months: over a limit 10 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| January 2026 | 001 | Flow, in conduit or thru treatment plant, 30-day average | .2 MGD | ≤ .18 MGD | 11% |
| February 2026 | 001 | Flow, in conduit or thru treatment plant, 30-day average | .2 MGD | ≤ .18 MGD | 11% |
| February 2026 | 002 | Temperature, water deg. fahrenheit, daily maximum | 54 deg F | ≤ 53 deg F | 2% |
| April 2026 | 002 | Temperature, water deg. fahrenheit, daily maximum | 74 deg F | ≤ 73 deg F | 1% |
| May 2026 | 001 | pH, daily maximum | 9.3 SU | ≤ 9 SU | — |
| June 2026 | 001 | pH, daily maximum | 9.3 SU | ≤ 9 SU | — |
| August 2026 | 101 | Oil and grease, hexane extr method, daily maximum | 23.7 mg/L | ≤ 15 mg/L | 58% |
| August 2026 | 501 | Oil and grease, hexane extr method, daily maximum | 20.9 mg/L | ≤ 20 mg/L | 5% |
| August 2026 | 801 | Oil and grease, hexane extr method, daily maximum | 21.5 mg/L | ≤ 20 mg/L | 8% |
| August 2026 | 901 | Oil and grease, hexane extr method, daily maximum | 27.3 mg/L | ≤ 20 mg/L | 37% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 001 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 001 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 001 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 001 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 001 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 001 |
| Boron, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 001 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 001 |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .18 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .2 mg/L | all year | 001 |
| Chlorine, total residual | monthly average | < .06 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | < .06 mg/L | all year | 001 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Feb, Apr, Jun, Aug, Oct, Dec | 001 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 001 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 001 |
| Flow | monthly average | report only (MGD) | all year | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| Flow | monthly average | report only (MGD) | all year | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| Chlorination frequency | daily maximum | ≤ 4 occur/d | all year | 001 |
| Chlorination duration | daily maximum | ≤ 40 min | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 001 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 001 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 001 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 001 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 001 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 81 deg F | Oct | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 53 deg F | Jan, Feb | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 83 deg F | May | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 73 deg F | Apr, Nov | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 93 deg F | Jun–Sep | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 63 deg F | Mar | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 60 deg F | Dec | 002 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 002 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 002 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 002 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Temperature rise, length of excursion | monthly total | report only (d) | all year | 002 |
| Temperature, length of excursion | monthly total | report only (hr/mo) | all year | 002 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 002 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 002 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 002 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 002 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 002 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 002 |
| Month excursion time [min] | cumulative total | report only (hr) | all year | 002 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 003 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 003 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 003 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 003 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 003 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 003 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 003 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 003 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 003 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 003 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 003 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 003 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 003 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 003 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 003 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 003 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 003 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 003 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 004 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 004 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 004 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 004 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 004 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 004 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 004 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 004 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 004 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 004 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 004 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 004 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 004 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 004 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 004 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 004 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 004 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 004 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 004 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 004 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 004 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 004 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 005 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 005 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 005 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 005 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 005 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 005 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 005 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 005 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 005 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 005 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 005 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 005 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 005 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 005 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 005 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 005 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 005 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 005 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 005 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 005 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 005 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 005 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 005 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 005 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 005 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 005 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 006 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | Dec | 006 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 006 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Dec | 006 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 006 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Dec | 006 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 006 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Dec | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Dec | 006 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 006 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 006 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 006 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 006 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 006 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 006 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 006 |
| Boron, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 006 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 006 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Dec | 006 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 006 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Dec | 006 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 006 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Dec | 006 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 006 |
| Storm water flow | daily maximum | report only (MGD) | Dec | 006 |
| pH | daily minimum | ≥ 6 SU | all year | 101 |
| pH | daily maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 101 |
| Oil and grease, hexane extr method | monthly average | ≤ 10 mg/L | all year | 101 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 101 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 101 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 101 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 101 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 101 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 101 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 101 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 101 |
| Arsenic, total recoverable | monthly average | report only (mg/L) | all year | 101 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 101 |
| Iron, total recoverable | monthly average | ≤ .88 mg/L | all year | 101 |
| Iron, total recoverable | daily maximum | ≤ .88 mg/L | all year | 101 |
| Selenium, total recoverable | monthly average | report only (mg/L) | all year | 101 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 101 |
| Boron, total recoverable | monthly average | report only (mg/L) | all year | 101 |
| Boron, total recoverable | daily maximum | report only (mg/L) | all year | 101 |
| Copper, total recoverable | monthly average | ≤ .88 mg/L | all year | 101 |
| Copper, total recoverable | daily maximum | ≤ .88 mg/L | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| Mercury, total recoverable | monthly average | report only (ng/L) | all year | 101 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | all year | 101 |
| pH | daily minimum | ≥ 6 SU | all year | 201 |
| pH | daily maximum | ≤ 9 SU | all year | 201 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 18 mg/L | all year | 201 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.1 mg/L | May–Nov | 201 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | Jan, Feb, Mar, Apr, Dec | 201 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.6 mg/L | May–Nov | 201 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.4 mg/L | Jan, Feb, Mar, Apr, Dec | 201 |
| Phosphorus, total [as P] | daily maximum | ≤ 1 mg/L | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 201 |
| E. coli, colony forming units [CFU] | monthly geometric mean | ≤ 125 CFU/100mL | Apr–Oct | 201 |
| E. coli, colony forming units [CFU] | daily maximum | ≤ 235 CFU/100mL | Apr–Oct | 201 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 201 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | all year | 201 |
| pH | daily minimum | ≥ 6 SU | all year | 301 |
| pH | daily maximum | ≤ 9 SU | all year | 301 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 301 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 301 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 301 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 301 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 301 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 301 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 301 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 301 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 301 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 301 |
| Arsenic, total recoverable | monthly average | report only (mg/L) | all year | 301 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 301 |
| Selenium, total recoverable | monthly average | report only (mg/L) | all year | 301 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 301 |
| Boron, total recoverable | monthly average | report only (mg/L) | all year | 301 |
| Boron, total recoverable | daily maximum | report only (mg/L) | all year | 301 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 301 |
| Mercury, total recoverable | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec | 301 |
| Mercury, total recoverable | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec | 301 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 301 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 301 |
| pH | daily minimum | ≥ 6 SU | all year | 401 |
| pH | daily maximum | ≤ 9 SU | all year | 401 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 401 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 401 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 401 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 401 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 401 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 401 |
| Boron, total recoverable | daily maximum | report only (mg/L) | all year | 401 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year | 401 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 401 |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year | 401 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 401 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 401 |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year | 401 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 401 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 401 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 401 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 401 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 501 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 501 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | all year | 501 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | all year | 501 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 501 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 501 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 501 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 501 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 501 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 501 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 501 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 501 |
| Arsenic, total recoverable | monthly average | report only (mg/L) | all year | 501 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 501 |
| Selenium, total recoverable | monthly average | report only (mg/L) | all year | 501 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 501 |
| Boron, total recoverable | monthly average | report only (mg/L) | all year | 501 |
| Boron, total recoverable | daily maximum | report only (mg/L) | all year | 501 |
| Cadmium, total recoverable | monthly average | report only (mg/L) | all year | 501 |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year | 501 |
| Chromium, total recoverable | monthly average | report only (mg/L) | all year | 501 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 501 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 501 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 501 |
| Mercury, total recoverable | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec | 501 |
| Mercury, total recoverable | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec | 501 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 501 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 501 |
| pH | daily minimum | ≥ 6 SU | all year | 601 |
| pH | daily maximum | ≤ 9 SU | all year | 601 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 601 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 601 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 601 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 601 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 601 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 601 |
| Boron, total recoverable | daily maximum | report only (mg/L) | all year | 601 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 601 |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year | 601 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 601 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 601 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 601 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 601 |
| pH | daily minimum | ≥ 6 SU | all year | 801 |
| pH | daily maximum | ≤ 9 SU | all year | 801 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | all year | 801 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | all year | 801 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 801 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 801 |
| Arsenic, total recoverable | monthly average | report only (mg/L) | all year | 801 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 801 |
| Selenium, total recoverable | monthly average | report only (mg/L) | all year | 801 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 801 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 801 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 801 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 801 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 801 |
| Bromide [as Br] | monthly average | report only (mg/L) | all year | 801 |
| Bromide [as Br] | daily maximum | report only (mg/L) | all year | 801 |
| Mercury, total recoverable | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec | 801 |
| Mercury, total recoverable | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec | 801 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 801 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 801 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 901 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 901 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | all year | 901 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | all year | 901 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 901 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 901 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 901 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 901 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 901 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 901 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 901 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 901 |
| Arsenic, total recoverable | monthly average | report only (mg/L) | all year | 901 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 901 |
| Selenium, total recoverable | monthly average | report only (mg/L) | all year | 901 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 901 |
| Boron, total recoverable | monthly average | report only (mg/L) | all year | 901 |
| Boron, total recoverable | daily maximum | report only (mg/L) | all year | 901 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 901 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 901 |
| Mercury, total recoverable | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec | 901 |
| Mercury, total recoverable | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec | 901 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 901 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 901 |
Cited limits by parameter: Indiana's rules and the federal ones.
Same industry: the 30 Electric Services permits in Indiana.
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Your permit document is the final word. As JSON: /api/v1/permits/IN0050296 · MCP: https://passage-data.com/mcp