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City of Crestline

Sewage treatment plant, major discharger, Crestline, Ohio. NPDES permit OH0020664, in force until Feb 28, 2029. Last 12 months: over a limit 36 times (last September 2026), 11 of 144 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (44 values), outfall 051 form A monthly (2 values), outfall 053 form A monthly (2 values), outfall 054 form A monthly (2 values), outfall 055 form A monthly (2 values), outfall 059 form A monthly (2 values), and 5 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
77 values over a limit, 0 required values missing, 0 of 134 reports late

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

All 36 values over a limit
Period endingParameterReportedLimitOver by
October 2025Oxygen, dissolved [DO], daily minimum4.21≥ 5 mg/L16%
November 2025Oxygen, dissolved [DO], daily minimum4.11≥ 5 mg/L18%
December 2025Nitrogen, ammonia total [as N], weekly maximum4.26≤ 3.5 mg/L22%
December 2025Oxygen, dissolved [DO], daily minimum4.27≥ 5 mg/L15%
January 2026Mercury, total low level, monthly average.0000122≤ .000007 kg/d74%
January 2026Mercury, total low level, monthly average2.88≤ 1.8 ng/L60%
January 2026Oxygen, dissolved [DO], daily minimum4.67≥ 5 mg/L7%
January 2026Phosphorus, total [as P], weekly maximum4.2≤ 3.57 kg/d18%
January 2026Solids, total suspended, weekly maximum88≤ 75 kg/d17%
February 2026Nitrogen, ammonia total [as N], monthly average15.2≤ 9.6 kg/d58%
February 2026Nitrogen, ammonia total [as N], monthly average2.35≤ 2.3 mg/L2%
February 2026Nitrogen, ammonia total [as N], weekly maximum47.5≤ 14.6 kg/d225%
February 2026Nitrogen, ammonia total [as N], weekly maximum6.8≤ 3.5 mg/L94%
February 2026Phosphorus, total [as P], monthly average3.13≤ 2.4 kg/d30%
February 2026Phosphorus, total [as P], weekly maximum1.06≤ .86 mg/L23%
February 2026Phosphorus, total [as P], weekly maximum9.06≤ 3.57 kg/d154%
March 2026Mercury, total low level, monthly average.0000102≤ .000007 kg/d46%
March 2026Mercury, total low level, monthly average2.27≤ 1.8 ng/L26%
April 2026Mercury, total low level, monthly average2.21≤ 1.8 ng/L23%
May 2026BOD, carbonaceous [5 day, 20 C], weekly maximum140≤ 62.5 kg/d124%
May 2026BOD, carbonaceous [5 day, 20 C], weekly maximum21≤ 15 mg/L40%
May 2026Mercury, total low level, monthly average.0000101≤ .000007 kg/d44%
May 2026Mercury, total low level, monthly average3.38≤ 1.8 ng/L88%
May 2026Phosphorus, total [as P], monthly average2.6≤ 2.4 kg/d8%
May 2026Phosphorus, total [as P], weekly maximum5.4≤ 3.57 kg/d51%
May 2026Solids, total suspended, monthly average14≤ 12 mg/L17%
May 2026Solids, total suspended, monthly average91≤ 50 kg/d82%
May 2026Solids, total suspended, weekly maximum280≤ 75 kg/d273%
May 2026Solids, total suspended, weekly maximum43≤ 18 mg/L139%
July 2026Phosphorus, total [as P], monthly average.775≤ .58 mg/L34%
July 2026Phosphorus, total [as P], weekly maximum1.24≤ .86 mg/L44%
August 2026Phosphorus, total [as P], monthly average.873≤ .58 mg/L51%
August 2026Phosphorus, total [as P], monthly average2.69≤ 2.4 kg/d12%
August 2026Phosphorus, total [as P], weekly maximum1≤ .86 mg/L16%
August 2026Phosphorus, total [as P], weekly maximum4.7≤ 3.57 kg/d32%
September 2026Phosphorus, total [as P], monthly average.59≤ .58 mg/L2%

Limits in force (144)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedweekly maximum≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 50 kg/dall year001
Solids, total suspendedweekly maximum≤ 75 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ .8 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 3.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 3.3 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 9.6 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 5 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 14.6 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ .58 mg/Lall year001
Phosphorus, total [as P]weekly maximum≤ .86 mg/Lall year001
Phosphorus, total [as P]monthly average≤ 2.4 kg/dall year001
Phosphorus, total [as P]weekly maximum≤ 3.57 kg/dall year001
Phosphate, ortho, dissolved [as P]monthly averagereport only (mg/L)all year001
Phosphate, ortho, dissolved [as P]daily maximumreport only (mg/L)all year001
Nickel, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec001
Nickel, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec001
Zinc, total recoverablemonthly averagereport only (ug/L)all year001
Zinc, total recoverabledaily maximumreport only (ug/L)all year001
Cadmium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec001
Cadmium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec001
Lead, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec001
Lead, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec001
Chromium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec001
Chromium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec001
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec001
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec001
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)Mar, Jun, Aug, Dec001
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)Mar, Jun, Aug, Dec001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total low levelmonthly average≤ 1.8 ng/Lall year001
Mercury, total low leveldaily maximum≤ 1700 ng/Lall year001
Mercury, total low levelmonthly average≤ .000007 kg/dall year001
Mercury, total low leveldaily maximum≤ .00708 kg/dall year001
Cyanide, free availablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec001
Cyanide, free availabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acuteMar, Jun, Aug, Dec001
Toxicity [chronic], Ceriodaphnia dubiamonthly average≤ 1.7 tox chronicMar, Jun, Aug, Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)Sep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox chronic)Sep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox chronic)Sep001
pH, maximumdaily maximum≤ 9 SUall year001
pH, minimumdaily minimum≥ 6.5 SUall year001
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 41.7 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 62.5 kg/dall year001
Overflowsmonthly averagereport only (occur/mo)all year051
Overflowsdaily maximumreport only (occur/mo)all year051
Overflowsmonthly averagereport only (occur/mo)all year053
Overflowsdaily maximumreport only (occur/mo)all year053
Overflowsmonthly averagereport only (occur/mo)all year054
Overflowsdaily maximumreport only (occur/mo)all year054
Overflowsmonthly averagereport only (occur/mo)all year055
Overflowsdaily maximumreport only (occur/mo)all year055
Overflowsmonthly averagereport only (occur/mo)all year059
Overflowsdaily maximumreport only (occur/mo)all year059
Overflowsmonthly averagereport only (occur/mo)all year060
Overflowsdaily maximumreport only (occur/mo)all year060
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588
Solids, total suspendedmonthly averagereport only (mg/L)all year601
Solids, total suspendeddaily maximumreport only (mg/L)all year601
Phosphorus, total [as P]monthly averagereport only (mg/L)all year601
Phosphorus, total [as P]daily maximumreport only (mg/L)all year601
Zinc, total recoverablemonthly averagereport only (ug/L)all year601
Zinc, total recoverabledaily maximumreport only (ug/L)all year601
Mercury, total low levelmonthly averagereport only (ng/L)all year601
Mercury, total low leveldaily maximumreport only (ng/L)all year601
pH, maximumdaily maximumreport only (SU)all year601
pH, minimumdaily minimumreport only (SU)all year601
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year601
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year601
Solids, total suspendedmonthly averagereport only (mg/L)all year602
Solids, total suspendeddaily maximumreport only (mg/L)all year602
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year602
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year602
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year602
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year602
Bypass valvemonthly averagereport only (occur/mo)all year602
Bypass valvedaily maximumreport only (occur/mo)all year602
Bypass of treatmentmonthly averagereport only (hr/mo)all year602
Bypass of treatmentdaily maximumreport only (hr/mo)all year602
Temperature, water deg. centigrademonthly averagereport only (deg C)all year801
Temperature, water deg. centigradedaily maximumreport only (deg C)all year801
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year801
pHdaily minimumreport only (SU)all year801
pHdaily maximumreport only (SU)all year801
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year801
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year801
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year801
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year801
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year801
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year801
Phosphorus, total [as P]monthly averagereport only (mg/L)all year801
Phosphorus, total [as P]daily maximumreport only (mg/L)all year801
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun–Aug801
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun–Aug801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiamonthly averagereport only (%)Mar, Jun, Aug, Dec801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiadaily maximumreport only (%)Mar, Jun, Aug, Dec801
%Effect Static Renewal 96Hr Acute Pimephales promelasmonthly averagereport only (%)Sep801
%Effect Static Renewal 96Hr Acute Pimephales promelasdaily maximumreport only (%)Sep801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly averagereport only (%)Mar, Jun, Aug, Dec801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (%)Mar, Jun, Aug, Dec801
%Effect Static Renewal 7Day Chronic Pimephales promelasmonthly averagereport only (%)Sep801
%Effect Static Renewal 7Day Chronic Pimephales promelasdaily maximumreport only (%)Sep801
Temperature, water deg. centigrademonthly averagereport only (deg C)all year901
Temperature, water deg. centigradedaily maximumreport only (deg C)all year901
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year901
pHdaily minimumreport only (SU)all year901
pHdaily maximumreport only (SU)all year901
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year901
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year901
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year901
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year901
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year901
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year901
Phosphorus, total [as P]monthly averagereport only (mg/L)all year901
Phosphorus, total [as P]daily maximumreport only (mg/L)all year901
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year901
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year901
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun–Aug901
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun–Aug901

New limits from Mar 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Mercury, total low level, daily maximum0.00611 kg/dtighter0.0000043 kg/d (10 values)0.000704×
Toxicity [chronic], Ceriodaphnia dubia, monthly average1.02 tox chronic (Mar, Jun, Aug, Dec)tighter——

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0020664 · MCP: https://passage-data.com/mcp