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Cadiz, Village of

Sewage treatment plant, Cadiz, Ohio. NPDES permit OH0024295, in force until Feb 28, 2029. Last 12 months: over a limit 109 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (32 values), outfall 300 form A monthly (2 values), outfall 601 form A monthly (6 values), outfall 901 form A monthly (5 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
105 values over a limit, 0 required values missing, 0 of 54 reports late

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

All 109 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average43≤ 10 mg/L330%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average50≤ 22.8 kg/d119%
October 2025BOD, carbonaceous [5 day, 20 C], weekly maximum57≤ 15 mg/L280%
October 2025BOD, carbonaceous [5 day, 20 C], weekly maximum71≤ 34.1 kg/d108%
October 2025Nitrogen, ammonia total [as N], monthly average16.8≤ 2.3 mg/L630%
October 2025Nitrogen, ammonia total [as N], monthly average18.8≤ 5.23 kg/d259%
October 2025Solids, total suspended, monthly average31≤ 12 mg/L158%
October 2025Solids, total suspended, monthly average38≤ 27 kg/d41%
October 2025Solids, total suspended, weekly maximum50≤ 18 mg/L178%
October 2025Solids, total suspended, weekly maximum67≤ 41 kg/d63%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average24≤ 10 mg/L140%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average34≤ 22.8 kg/d49%
November 2025BOD, carbonaceous [5 day, 20 C], weekly maximum29≤ 15 mg/L93%
November 2025BOD, carbonaceous [5 day, 20 C], weekly maximum39≤ 34.1 kg/d14%
November 2025Nitrogen, ammonia total [as N], monthly average10.6≤ 6.5 mg/L63%
November 2025Solids, total suspended, monthly average20≤ 12 mg/L67%
November 2025Solids, total suspended, monthly average28≤ 27 kg/d4%
November 2025Solids, total suspended, weekly maximum24≤ 18 mg/L33%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average31≤ 10 mg/L210%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average46≤ 22.8 kg/d102%
December 2025BOD, carbonaceous [5 day, 20 C], weekly maximum50≤ 15 mg/L233%
December 2025BOD, carbonaceous [5 day, 20 C], weekly maximum77≤ 34.1 kg/d126%
December 2025Nitrogen, ammonia total [as N], monthly average19.39≤ 6.5 mg/L198%
December 2025Nitrogen, ammonia total [as N], monthly average28.56≤ 14.8 kg/d93%
December 2025Solids, total suspended, monthly average39≤ 12 mg/L225%
December 2025Solids, total suspended, monthly average59≤ 27 kg/d119%
December 2025Solids, total suspended, weekly maximum51≤ 18 mg/L183%
December 2025Solids, total suspended, weekly maximum77≤ 41 kg/d88%
December 2025pH, daily minimum6.48≥ 6.5 SU—
January 2026BOD, carbonaceous [5 day, 20 C], monthly average47≤ 10 mg/L370%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average84≤ 22.8 kg/d268%
January 2026BOD, carbonaceous [5 day, 20 C], weekly maximum120≤ 34.1 kg/d252%
January 2026BOD, carbonaceous [5 day, 20 C], weekly maximum82≤ 15 mg/L447%
January 2026Nitrogen, ammonia total [as N], monthly average10.2≤ 6.5 mg/L57%
January 2026Nitrogen, ammonia total [as N], monthly average18.8≤ 14.8 kg/d27%
January 2026Solids, total suspended, monthly average34≤ 12 mg/L183%
January 2026Solids, total suspended, monthly average60≤ 27 kg/d122%
January 2026Solids, total suspended, weekly maximum53≤ 18 mg/L194%
January 2026Solids, total suspended, weekly maximum79≤ 41 kg/d93%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average120≤ 22.8 kg/d426%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average50≤ 10 mg/L400%
February 2026BOD, carbonaceous [5 day, 20 C], weekly maximum190≤ 34.1 kg/d457%
February 2026BOD, carbonaceous [5 day, 20 C], weekly maximum74≤ 15 mg/L393%
February 2026Nitrogen, ammonia total [as N], monthly average16.1≤ 14.8 kg/d9%
February 2026Nitrogen, ammonia total [as N], monthly average6.93≤ 6.5 mg/L7%
February 2026Solids, total suspended, monthly average110≤ 27 kg/d307%
February 2026Solids, total suspended, monthly average43≤ 12 mg/L258%
February 2026Solids, total suspended, weekly maximum140≤ 41 kg/d241%
February 2026Solids, total suspended, weekly maximum54≤ 18 mg/L200%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average190≤ 22.8 kg/d733%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average66≤ 10 mg/L560%
March 2026BOD, carbonaceous [5 day, 20 C], weekly maximum290≤ 34.1 kg/d750%
March 2026BOD, carbonaceous [5 day, 20 C], weekly maximum81≤ 15 mg/L440%
March 2026Nitrogen, ammonia total [as N], monthly average21.1≤ 14.8 kg/d43%
March 2026Nitrogen, ammonia total [as N], monthly average7.1≤ 6.5 mg/L9%
March 2026Solids, total suspended, monthly average130≤ 27 kg/d381%
March 2026Solids, total suspended, monthly average45≤ 12 mg/L275%
March 2026Solids, total suspended, weekly maximum170≤ 41 kg/d315%
March 2026Solids, total suspended, weekly maximum61≤ 18 mg/L239%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average54≤ 10 mg/L440%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average88≤ 22.8 kg/d286%
April 2026BOD, carbonaceous [5 day, 20 C], weekly maximum120≤ 34.1 kg/d252%
April 2026BOD, carbonaceous [5 day, 20 C], weekly maximum88≤ 15 mg/L487%
April 2026Nitrogen, ammonia total [as N], monthly average16.7≤ 14.8 kg/d13%
April 2026Nitrogen, ammonia total [as N], monthly average9.9≤ 6.5 mg/L52%
April 2026Solids, total suspended, monthly average36≤ 12 mg/L200%
April 2026Solids, total suspended, monthly average65≤ 27 kg/d141%
April 2026Solids, total suspended, weekly maximum40≤ 18 mg/L122%
April 2026Solids, total suspended, weekly maximum99≤ 41 kg/d141%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average45≤ 10 mg/L350%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average73≤ 22.8 kg/d220%
May 2026BOD, carbonaceous [5 day, 20 C], weekly maximum100≤ 34.1 kg/d193%
May 2026BOD, carbonaceous [5 day, 20 C], weekly maximum65≤ 15 mg/L333%
May 2026Nitrogen, ammonia total [as N], monthly average12≤ 2.3 mg/L422%
May 2026Nitrogen, ammonia total [as N], monthly average19.1≤ 5.23 kg/d265%
May 2026Solids, total suspended, monthly average34≤ 12 mg/L183%
May 2026Solids, total suspended, monthly average67≤ 27 kg/d148%
May 2026Solids, total suspended, weekly maximum39≤ 18 mg/L117%
May 2026Solids, total suspended, weekly maximum94≤ 41 kg/d129%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average27≤ 10 mg/L170%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average46≤ 22.8 kg/d102%
June 2026BOD, carbonaceous [5 day, 20 C], weekly maximum55≤ 15 mg/L267%
June 2026BOD, carbonaceous [5 day, 20 C], weekly maximum90≤ 34.1 kg/d164%
June 2026Nitrogen, ammonia total [as N], monthly average12.3≤ 2.3 mg/L435%
June 2026Nitrogen, ammonia total [as N], monthly average20.7≤ 5.23 kg/d296%
June 2026Solids, total suspended, monthly average25≤ 12 mg/L108%
June 2026Solids, total suspended, monthly average41≤ 27 kg/d52%
June 2026Solids, total suspended, weekly maximum36≤ 18 mg/L100%
June 2026Solids, total suspended, weekly maximum58≤ 41 kg/d41%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average26≤ 10 mg/L160%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average38≤ 22.8 kg/d67%
July 2026BOD, carbonaceous [5 day, 20 C], weekly maximum47≤ 15 mg/L213%
July 2026BOD, carbonaceous [5 day, 20 C], weekly maximum69≤ 34.1 kg/d102%
July 2026Nitrogen, ammonia total [as N], monthly average12.4≤ 2.3 mg/L439%
July 2026Nitrogen, ammonia total [as N], monthly average17.8≤ 5.23 kg/d240%
July 2026Solids, total suspended, monthly average25≤ 12 mg/L108%
July 2026Solids, total suspended, monthly average36≤ 27 kg/d33%
July 2026Solids, total suspended, weekly maximum36≤ 18 mg/L100%
July 2026Solids, total suspended, weekly maximum53≤ 41 kg/d29%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average20≤ 10 mg/L100%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average35≤ 22.8 kg/d54%
August 2026BOD, carbonaceous [5 day, 20 C], weekly maximum34≤ 15 mg/L127%
August 2026BOD, carbonaceous [5 day, 20 C], weekly maximum46≤ 34.1 kg/d35%
August 2026Nitrogen, ammonia total [as N], monthly average14.5≤ 5.23 kg/d177%
August 2026Nitrogen, ammonia total [as N], monthly average7.19≤ 2.3 mg/L213%
August 2026Solids, total suspended, monthly average16≤ 12 mg/L33%
August 2026Solids, total suspended, monthly average35≤ 27 kg/d30%
August 2026Solids, total suspended, weekly maximum26≤ 18 mg/L44%
August 2026Solids, total suspended, weekly maximum53≤ 41 kg/d29%

Limits in force (87)

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
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedweekly maximum≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 27 kg/dall year001
Solids, total suspendedweekly maximum≤ 41 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 6.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 5.23 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 14.8 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 averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Cyanide, free-water plus wastewatersmonthly averagereport only (mg/L)Mar, Jun, Aug, Dec001
Cyanide, free-water plus wastewatersdaily maximumreport only (mg/L)Mar, Jun, Aug, Dec001
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)Mar, Jun, Aug, Dec001
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec001
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
Chlorine, total residualmonthly average≤ .017 mg/LMay–Oct001
Chlorine, total residualdaily maximum≤ .028 mg/LMay–Oct001
Mercury, total low levelmonthly averagereport only (ng/L)all year001
Mercury, total low leveldaily maximumreport only (ng/L)all 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≤ 22.8 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 34.1 kg/dall year001
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
pHdaily minimumreport only (SU)all year601
pHdaily maximumreport only (SU)all year601
Solids, total suspendedmonthly averagereport only (mg/L)all year601
Solids, total suspendeddaily maximumreport only (mg/L)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
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec801
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec801
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec801
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec801
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec801
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec801
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec801
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec801
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun–Aug801
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun–Aug801
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)Mar, Jun, Aug, Dec901
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec901
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec901
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec901
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec901
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec901
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec901
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec901
Hardness, total [as CaCO3]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec901
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec901
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun–Aug901
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun–Aug901

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/OH0024295 · MCP: https://passage-data.com/mcp