Passage Data · Check a report · Use it from your AI

City of Oxford

Sewage treatment plant, major discharger, Oxford, Ohio. NPDES permit OH0026930, in force until Dec 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (36 values), outfall 300 form A monthly (2 values), outfall 601 form A monthly (8 values), outfall 801 form A monthly (8 values), outfall 901 form A monthly (14 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 74 reports late

Limits in force (168)

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≤ 22 mg/LMay–Oct001
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedweekly maximum≤ 33 mg/LMay–Oct001
Solids, total suspendedweekly maximum≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 350 kg/dMay–Oct001
Solids, total suspendedmonthly average≤ 477 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedweekly maximum≤ 525 kg/dMay–Oct001
Solids, total suspendedweekly maximum≤ 716 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ .8 mg/LJun–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LMar, Apr, May, Oct, Nov001
Nitrogen, ammonia total [as N]monthly average≤ 2.9 mg/LJan, Feb, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.2 mg/LJun–Sep001
Nitrogen, ammonia total [as N]weekly maximum≤ 3.3 mg/LMar, Apr, May, Oct, Nov001
Nitrogen, ammonia total [as N]weekly maximum≤ 4.4 mg/LJan, Feb, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 12.8 kg/dJun–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 35 kg/dMar, Apr, May, Oct, Nov001
Nitrogen, ammonia total [as N]monthly average≤ 46.2 kg/dJan, Feb, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 19.1 kg/dJun–Sep001
Nitrogen, ammonia total [as N]weekly maximum≤ 52.5 kg/dMar, Apr, May, Oct, Nov001
Nitrogen, ammonia total [as N]weekly maximum≤ 70 kg/dJan, Feb, 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
Phosphate, ortho, dissolved [as P]monthly averagereport only (mg/L)all year001
Phosphate, ortho, dissolved [as P]daily maximumreport only (mg/L)all year001
Selenium, total recoverablemonthly averagereport only (ug/L)all year001
Selenium, total recoverabledaily maximumreport only (ug/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)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)all year001
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct001
Di[2-ethylhexyl] phthalate [DEHP]monthly averagereport only (ug/L)Mar, Jun, Aug, Dec001
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (ug/L)Mar, Jun, Aug, Dec001
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 averagereport only (ng/L)Mar, Jun, Aug, Dec001
Mercury, total low leveldaily maximumreport only (ng/L)Mar, Jun, Aug, Dec001
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)Aug001
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Aug001
Toxicity [chronic], Ceriodaphnia dubiamonthly averagereport only (tox chronic)Aug001
Toxicity [chronic], Ceriodaphnia dubiadaily maximumreport only (tox chronic)Aug001
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)Aug001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)Aug001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox chronic)Aug001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox chronic)Aug001
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≤ 22 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 33 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 350 kg/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 398 kg/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 525 kg/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 636 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
Nitrogen, ammonia in bottom depositsmonthly averagereport only (mg/kg)Dec581
Nitrogen, ammonia in bottom depositsdaily maximumreport only (mg/kg)Dec581
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/kg)Dec581
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/kg)Dec581
Phosphorous, total, in bottom depositsmonthly averagereport only (mg/kg)Dec581
Phosphorous, total, in bottom depositsdaily maximumreport only (mg/kg)Dec581
Potassium, in bottom depositsmonthly averagereport only (mg/kg)Dec581
Potassium, in bottom depositsdaily maximumreport only (mg/kg)Dec581
Arsenic, dry weightdaily maximum≤ 75 mg/kgDec581
Cadmium, in bottom deposits [dry wgt]daily maximum≤ 85 mg/kgDec581
Copper in bottom deposits [dry wgt]daily maximum≤ 4300 mg/kgDec581
Lead, total dry weight [as Pb]daily maximum≤ 840 mg/kgDec581
Nickel, tot in bottom deposits [dry wgt]daily maximum≤ 420 mg/kgDec581
Zinc in bottom deposits [dry wgt]daily maximum≤ 7500 mg/kgDec581
Selenium, dry weightdaily maximum≤ 100 mg/kgDec581
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec581
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec581
Fecal coliform in sludge, CFU/gramdaily maximum≤ 2000000 CFU/gDec581
Sludge weight, drymonthly averagereport only (dry ton)Dec581
Sludge weight, drydaily maximumreport only (dry ton)Dec581
Mercury, tot in bot deposits [dry wgt]daily maximum≤ 57 mg/kgDec581
Molybdenum, sludge, total, dry weight [as Mo]daily maximum≤ 75 mg/kgDec581
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
Nickel, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Nickel, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Cadmium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Cadmium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Lead, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Lead, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Chromium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Chromium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)all year601
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year601
Mercury, total low levelmonthly averagereport only (ng/L)Mar, Jun, Aug, Dec601
Mercury, total low leveldaily maximumreport only (ng/L)Mar, Jun, Aug, Dec601
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
Bypass Volumemonthly averagereport only (Mgal)all year602
Bypass Volumedaily maximumreport only (Mgal)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
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 (%)Aug801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiadaily maximumreport only (%)Aug801
%Effect Static Renewal 96Hr Acute Pimephales promelasmonthly averagereport only (%)Aug801
%Effect Static Renewal 96Hr Acute Pimephales promelasdaily maximumreport only (%)Aug801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly averagereport only (%)Aug801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (%)Aug801
%Effect Static Renewal 7Day Chronic Pimephales promelasmonthly averagereport only (%)Aug801
%Effect Static Renewal 7Day Chronic Pimephales promelasdaily maximumreport only (%)Aug801
Temperature, water deg. centigrademonthly averagereport only (deg C)all year901
Temperature, water deg. centigradedaily maximumreport only (deg C)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 Jan 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Phosphorus, total [as P], monthly average1 mg/Lnew2.19 mg/L (11 values)2.19×
Chromium, hexavalent dissolved [as Cr], daily maximum0.32 kg/dnew——
Chromium, hexavalent dissolved [as Cr], daily maximum20 ug/Lnew——
Chromium, hexavalent dissolved [as Cr], monthly average15 ug/Lnew——
Chromium, hexavalent dissolved [as Cr], monthly average0.24 kg/dnew——
Phosphorus, total [as P], monthly average16 kg/dnew——
Phosphorus, total [as P], weekly maximum24 kg/dnew——
Phosphorus, total [as P], weekly maximum1.5 mg/Lnew——

How strict are these limits?

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

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0026930 · MCP: https://passage-data.com/mcp