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Ringler Energy, LLC

Nonclassifiable Establishments, Cardington, Ohio. NPDES permit OH0142492 expired Apr 30, 2026; its limits still apply. Last 12 months: over a limit 13 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 581 form A monthly (23 values), outfall 582 form A monthly (23 values), outfall 601 form A monthly (6 values), outfall 602 form A monthly (5 values), outfall 603 form A monthly (7 values), outfall 604 form A monthly (2 values), and 5 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 7 required values missing, 0 of 143 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 13 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025602Detention time, daily minimum.0129167≥ 15 d100%
November 2025602Detention time, daily minimum.0129167≥ 15 d100%
December 2025602Detention time, daily minimum.0126389≥ 15 d100%
January 2026602Detention time, daily minimum.0184028≥ 15 d100%
February 2026602Detention time, daily minimum.016875≥ 15 d100%
March 2026602Detention time, daily minimum.0127778≥ 15 d100%
April 2026602Detention time, daily minimum.0125694≥ 15 d100%
May 2026602Detention time, daily minimum.0118056≥ 15 d100%
June 2026602Detention time, daily minimum.0113194≥ 15 d100%
July 2026602Detention time, daily minimum.0126389≥ 15 d100%
August 2026581Molybdenum, sludge, total, dry weight [as Mo], daily maximum168≤ 75 mg/kg124%
August 2026582Molybdenum, sludge, total, dry weight [as Mo], daily maximum168≤ 75 mg/kg124%
August 2026602Detention time, daily minimum.0122917≥ 15 d100%

Limits in force (230)

ParameterStatisticLimitMonthsOutfall
pHdaily minimumreport only (SU)all year581
pHdaily maximumreport only (SU)all year581
Nitrogen, ammonia in bottom depositsmonthly averagereport only (mg/kg)all year581
Nitrogen, ammonia in bottom depositsdaily maximumreport only (mg/kg)all year581
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/kg)all year581
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/kg)all year581
Phosphorous, total, in bottom depositsmonthly averagereport only (mg/kg)all year581
Phosphorous, total, in bottom depositsdaily maximumreport only (mg/kg)all year581
Potassium, in bottom depositsmonthly averagereport only (mg/kg)all year581
Potassium, in bottom depositsdaily maximumreport only (mg/kg)all year581
Arsenic, dry weightdaily maximum≤ 75 mg/kgall year581
Cadmium, in bottom deposits [dry wgt]daily maximum≤ 85 mg/kgall year581
Copper in bottom deposits [dry wgt]daily maximum≤ 4300 mg/kgall year581
Lead, total dry weight [as Pb]daily maximum≤ 840 mg/kgall year581
Nickel, tot in bottom deposits [dry wgt]daily maximum≤ 420 mg/kgall year581
Zinc in bottom deposits [dry wgt]daily maximum≤ 7500 mg/kgall year581
Selenium, dry weightdaily maximum≤ 100 mg/kgall year581
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)all year581
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)all year581
Sludge weight, drymonthly averagereport only (dry ton)all year581
Sludge weight, drydaily maximumreport only (dry ton)all year581
Mercury, tot in bot deposits [dry wgt]daily maximum≤ 57 mg/kgall year581
Molybdenum, sludge, total, dry weight [as Mo]daily maximum≤ 75 mg/kgall year581
pHdaily minimumreport only (SU)all year582
pHdaily maximumreport only (SU)all year582
Nitrogen, ammonia in bottom depositsmonthly averagereport only (mg/kg)all year582
Nitrogen, ammonia in bottom depositsdaily maximumreport only (mg/kg)all year582
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/kg)all year582
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/kg)all year582
Phosphorous, total, in bottom depositsmonthly averagereport only (mg/kg)all year582
Phosphorous, total, in bottom depositsdaily maximumreport only (mg/kg)all year582
Potassium, in bottom depositsmonthly averagereport only (mg/kg)all year582
Potassium, in bottom depositsdaily maximumreport only (mg/kg)all year582
Arsenic, dry weightdaily maximum≤ 75 mg/kgall year582
Cadmium, in bottom deposits [dry wgt]daily maximum≤ 85 mg/kgall year582
Copper in bottom deposits [dry wgt]daily maximum≤ 4300 mg/kgall year582
Lead, total dry weight [as Pb]daily maximum≤ 840 mg/kgall year582
Nickel, tot in bottom deposits [dry wgt]daily maximum≤ 420 mg/kgall year582
Zinc in bottom deposits [dry wgt]daily maximum≤ 7500 mg/kgall year582
Selenium, dry weightdaily maximum≤ 100 mg/kgall year582
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)all year582
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)all year582
Sludge weight, drymonthly averagereport only (dry ton)all year582
Sludge weight, drydaily maximumreport only (dry ton)all year582
Mercury, tot in bot deposits [dry wgt]daily maximum≤ 57 mg/kgall year582
Molybdenum, sludge, total, dry weight [as Mo]daily maximum≤ 75 mg/kgall year582
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586
Sludge weight, drymonthly averagereport only (dry ton)Dec588
Sludge weight, drydaily maximumreport only (dry ton)Dec588
pHdaily minimumreport only (SU)Dec589
pHdaily maximumreport only (SU)Dec589
Nitrogen, ammonia in bottom depositsmonthly averagereport only (mg/kg)Dec589
Nitrogen, ammonia in bottom depositsdaily maximumreport only (mg/kg)Dec589
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/kg)Dec589
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/kg)Dec589
Phosphorous, total, in bottom depositsmonthly averagereport only (mg/kg)Dec589
Phosphorous, total, in bottom depositsdaily maximumreport only (mg/kg)Dec589
Potassium, in bottom depositsmonthly averagereport only (mg/kg)Dec589
Potassium, in bottom depositsdaily maximumreport only (mg/kg)Dec589
Arsenic, dry weightmonthly averagereport only (mg/kg)Dec589
Arsenic, dry weightdaily maximumreport only (mg/kg)Dec589
Cadmium, in bottom deposits [dry wgt]monthly averagereport only (mg/kg)Dec589
Cadmium, in bottom deposits [dry wgt]daily maximumreport only (mg/kg)Dec589
Copper in bottom deposits [dry wgt]monthly averagereport only (mg/kg)Dec589
Copper in bottom deposits [dry wgt]daily maximumreport only (mg/kg)Dec589
Lead, total dry weight [as Pb]monthly averagereport only (mg/kg)Dec589
Lead, total dry weight [as Pb]daily maximumreport only (mg/kg)Dec589
Nickel, tot in bottom deposits [dry wgt]monthly averagereport only (mg/kg)Dec589
Nickel, tot in bottom deposits [dry wgt]daily maximumreport only (mg/kg)Dec589
Zinc in bottom deposits [dry wgt]monthly averagereport only (mg/kg)Dec589
Zinc in bottom deposits [dry wgt]daily maximumreport only (mg/kg)Dec589
Selenium, dry weightmonthly averagereport only (mg/kg)Dec589
Selenium, dry weightdaily maximumreport only (mg/kg)Dec589
Free liquids in sludgemonthly averagereport only (pass=0;fail=1)Dec589
Free liquids in sludgedaily maximumreport only (pass=0;fail=1)Dec589
Fecal coliformmonthly averagereport only (MPN/g)Dec589
Fecal coliformdaily maximumreport only (MPN/g)Dec589
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec589
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec589
Sludge weight, drymonthly averagereport only (dry ton)Dec589
Sludge weight, drydaily maximumreport only (dry ton)Dec589
Solids, total, percentmonthly averagereport only (%)Dec589
Solids, total, percentdaily maximumreport only (%)Dec589
Mercury, tot in bot deposits [dry wgt]monthly averagereport only (mg/kg)Dec589
Mercury, tot in bot deposits [dry wgt]daily maximumreport only (mg/kg)Dec589
Molybdenum, sludge, total, dry weight [as Mo]monthly averagereport only (mg/kg)Dec589
Molybdenum, sludge, total, dry weight [as Mo]daily maximumreport only (mg/kg)Dec589
Solids, total, percentmonthly averagereport only (%)all year601
Solids, total, percentdaily maximumreport only (%)all year601
Solids, volatile % of total solidsmonthly averagereport only (%)all year601
Solids, volatile % of total solidsdaily maximumreport only (%)all year601
Chemical oxygen demand, solublemonthly averagereport only (mg/L)all year601
Chemical oxygen demand, solubledaily maximumreport only (mg/L)all year601
pHdaily minimumreport only (SU)all year602
pHdaily maximumreport only (SU)all year602
Alkalinity, total [as CaCO3]monthly averagereport only (mg/L)all year602
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year602
Detention timedaily minimum≥ 15 dall year602
Solids, total volatile, percent removaldaily minimum≥ 38 %all year603
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year603
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year603
Solids, volatile % of total solidsmonthly averagereport only (%)all year603
Solids, volatile % of total solidsdaily maximumreport only (%)all year603
Chemical oxygen demand, solublemonthly averagereport only (mg/L)all year603
Chemical oxygen demand, solubledaily maximumreport only (mg/L)all year603
Lagoon freeboardmonthly averagereport only (ft)all year604
Lagoon freeboarddaily maximumreport only (ft)all year604
Lagoon freeboardmonthly averagereport only (ft)all year605
Lagoon freeboarddaily maximumreport only (ft)all year605
Lagoon freeboardmonthly averagereport only (ft)all year606
Lagoon freeboarddaily maximumreport only (ft)all year606
Lagoon freeboardmonthly averagereport only (ft)all year607
Lagoon freeboarddaily maximumreport only (ft)all year607
Lagoon freeboardmonthly averagereport only (ft)all year608
Lagoon freeboarddaily maximumreport only (ft)all year608
Lagoon freeboardmonthly averagereport only (ft)all year609
Lagoon freeboarddaily maximumreport only (ft)all year609
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun, Dec701
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)Jun, Dec701
Conductivitymonthly averagereport only (umho/cm)Jun, Dec701
Conductivitydaily maximumreport only (umho/cm)Jun, Dec701
pHdaily minimumreport only (SU)Jun, Dec701
pHdaily maximumreport only (SU)Jun, Dec701
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jun, Dec701
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jun, Dec701
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)Jun, Dec701
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)Jun, Dec701
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)Jun, Dec701
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)Jun, Dec701
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jun, Dec701
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun, Dec701
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun, Dec701
Phosphorus, total [as P]daily maximumreport only (mg/L)Jun, Dec701
Sodium, total [as Na]monthly averagereport only (mg/L)Jun, Dec701
Sodium, total [as Na]daily maximumreport only (mg/L)Jun, Dec701
Potassium, total [as K]monthly averagereport only (mg/L)Jun, Dec701
Potassium, total [as K]daily maximumreport only (mg/L)Jun, Dec701
Chloride [as Cl]monthly averagereport only (mg/L)Jun, Dec701
Chloride [as Cl]daily maximumreport only (mg/L)Jun, Dec701
Sulfate, total [as SO4]monthly averagereport only (mg/L)Jun, Dec701
Sulfate, total [as SO4]daily maximumreport only (mg/L)Jun, Dec701
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun, Dec701
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun, Dec701
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)Jun, Dec701
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)Jun, Dec701
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun, Dec702
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)Jun, Dec702
Conductivitymonthly averagereport only (umho/cm)Jun, Dec702
Conductivitydaily maximumreport only (umho/cm)Jun, Dec702
pHdaily minimumreport only (SU)Jun, Dec702
pHdaily maximumreport only (SU)Jun, Dec702
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jun, Dec702
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jun, Dec702
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)Jun, Dec702
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)Jun, Dec702
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)Jun, Dec702
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)Jun, Dec702
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jun, Dec702
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun, Dec702
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun, Dec702
Phosphorus, total [as P]daily maximumreport only (mg/L)Jun, Dec702
Sodium, total [as Na]monthly averagereport only (mg/L)Jun, Dec702
Sodium, total [as Na]daily maximumreport only (mg/L)Jun, Dec702
Potassium, total [as K]monthly averagereport only (mg/L)Jun, Dec702
Potassium, total [as K]daily maximumreport only (mg/L)Jun, Dec702
Chloride [as Cl]monthly averagereport only (mg/L)Jun, Dec702
Chloride [as Cl]daily maximumreport only (mg/L)Jun, Dec702
Sulfate, total [as SO4]monthly averagereport only (mg/L)Jun, Dec702
Sulfate, total [as SO4]daily maximumreport only (mg/L)Jun, Dec702
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun, Dec702
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun, Dec702
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)Jun, Dec702
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)Jun, Dec702
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun, Dec703
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)Jun, Dec703
Conductivitymonthly averagereport only (umho/cm)Jun, Dec703
Conductivitydaily maximumreport only (umho/cm)Jun, Dec703
pHdaily minimumreport only (SU)Jun, Dec703
pHdaily maximumreport only (SU)Jun, Dec703
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jun, Dec703
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jun, Dec703
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)Jun, Dec703
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)Jun, Dec703
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)Jun, Dec703
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)Jun, Dec703
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jun, Dec703
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun, Dec703
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun, Dec703
Phosphorus, total [as P]daily maximumreport only (mg/L)Jun, Dec703
Sodium, total [as Na]monthly averagereport only (mg/L)Jun, Dec703
Sodium, total [as Na]daily maximumreport only (mg/L)Jun, Dec703
Potassium, total [as K]monthly averagereport only (mg/L)Jun, Dec703
Potassium, total [as K]daily maximumreport only (mg/L)Jun, Dec703
Chloride [as Cl]monthly averagereport only (mg/L)Jun, Dec703
Chloride [as Cl]daily maximumreport only (mg/L)Jun, Dec703
Sulfate, total [as SO4]monthly averagereport only (mg/L)Jun, Dec703
Sulfate, total [as SO4]daily maximumreport only (mg/L)Jun, Dec703
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun, Dec703
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun, Dec703
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)Jun, Dec703
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)Jun, Dec703
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun, Dec704
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)Jun, Dec704
Conductivitymonthly averagereport only (umho/cm)Jun, Dec704
Conductivitydaily maximumreport only (umho/cm)Jun, Dec704
pHdaily minimumreport only (SU)Jun, Dec704
pHdaily maximumreport only (SU)Jun, Dec704
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jun, Dec704
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jun, Dec704
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)Jun, Dec704
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)Jun, Dec704
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)Jun, Dec704
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)Jun, Dec704
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jun, Dec704
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun, Dec704
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun, Dec704
Phosphorus, total [as P]daily maximumreport only (mg/L)Jun, Dec704
Sodium, total [as Na]monthly averagereport only (mg/L)Jun, Dec704
Sodium, total [as Na]daily maximumreport only (mg/L)Jun, Dec704
Potassium, total [as K]monthly averagereport only (mg/L)Jun, Dec704
Potassium, total [as K]daily maximumreport only (mg/L)Jun, Dec704
Chloride [as Cl]monthly averagereport only (mg/L)Jun, Dec704
Chloride [as Cl]daily maximumreport only (mg/L)Jun, Dec704
Sulfate, total [as SO4]monthly averagereport only (mg/L)Jun, Dec704
Sulfate, total [as SO4]daily maximumreport only (mg/L)Jun, Dec704
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun, Dec704
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun, Dec704
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)Jun, Dec704
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)Jun, Dec704

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 98 Nonclassifiable Establishments permits in Ohio.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0142492 · MCP: https://passage-data.com/mcp