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

Hamden, Village of

Sewage treatment plant, Hamden, Ohio. NPDES permit OH0134945, in force until Mar 31, 2027. Last 12 months: over a limit 14 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (29 values), outfall 300 form A monthly (2 values), outfall 601 form A monthly (8 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 39 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
January 2026Solids, total suspended, monthly average18≤ 12 mg/L50%
January 2026Solids, total suspended, weekly maximum11≤ 8.5 kg/d29%
January 2026Solids, total suspended, weekly maximum63≤ 18 mg/L250%
May 2026E. coli, MTEC-MF, monthly geometric mean607≤ 126 MPN/100mL382%
May 2026E. coli, MTEC-MF, weekly geometric mean7270≤ 284 MPN/100mL2460%
May 2026Solids, total suspended, monthly average14≤ 12 mg/L17%
May 2026Solids, total suspended, weekly maximum20≤ 18 mg/L11%
June 2026E. coli, MTEC-MF, monthly geometric mean184≤ 126 MPN/100mL46%
June 2026E. coli, MTEC-MF, weekly geometric mean5170≤ 284 MPN/100mL1720%
June 2026pH, daily maximum10.4≤ 9 SU—
July 2026E. coli, MTEC-MF, monthly geometric mean226≤ 126 MPN/100mL79%
July 2026E. coli, MTEC-MF, weekly geometric mean504≤ 284 MPN/100mL77%
July 2026Solids, total suspended, monthly average14≤ 12 mg/L17%
July 2026Solids, total suspended, weekly maximum21≤ 18 mg/L17%

Limits in force (85)

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≥ 6 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≤ 5.68 kg/dall year001
Solids, total suspendedweekly maximum≤ 8.5 kg/dall year001
Oil and grease [soxhlet extr.] tot.monthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Oil and grease [soxhlet extr.] tot.daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .47 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.42 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .71 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 2.13 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)Mar, Jun, Sep, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nickel, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Nickel, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Zinc, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Zinc, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Cadmium, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Cadmium, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Lead, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Lead, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Chromium, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Chromium, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Copper, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Copper, total recoverabledaily maximumreport only (ug/L)Jun, 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 averagereport only (ng/L)Jun, Dec001
Mercury, total low leveldaily maximumreport only (ng/L)Jun, Dec001
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≤ 4.73 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 7.1 kg/dall year001
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
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec581
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec581
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
Rainfallmonthly averagereport only (in)all year601
Rainfalldaily maximumreport only (in)all year601
Flow, maximum during 24 hr periodmonthly averagereport only (MGD)all year601
Flow, maximum during 24 hr perioddaily maximumreport only (MGD)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

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/OH0134945 · MCP: https://passage-data.com/mcp