Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Auburn Twp, Ohio. NPDES permit OH0123684, in force until Dec 31, 2028. Last 12 months: over a limit 8 times (last September 2026), 2 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Phosphorus, total [as P], monthly average | .97 | ≤ .9 mg/L | 8% |
| October 2025 | Phosphorus, total [as P], weekly maximum | 1.14 | ≤ 1.1 mg/L | 4% |
| November 2025 | Phosphorus, total [as P], monthly average | .99 | ≤ .9 mg/L | 10% |
| March 2026 | Mercury, total low level, monthly average | 2.71 | ≤ 1.3 ng/L | 108% |
| June 2026 | Mercury, total low level, monthly average | .000001 | ≤ .0000007 kg/d | 43% |
| June 2026 | Mercury, total low level, monthly average | 5.1 | ≤ 1.3 ng/L | 292% |
| September 2026 | Mercury, total low level, monthly average | .0000014 | ≤ .0000007 kg/d | 100% |
| September 2026 | Mercury, total low level, monthly average | 5.88 | ≤ 1.3 ng/L | 352% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 003 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 003 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 7.2 mg/L | all year | 003 |
| Solids, total suspended | weekly maximum | ≤ 12.9 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 4.1 kg/d | all year | 003 |
| Solids, total suspended | weekly maximum | ≤ 7.3 kg/d | all year | 003 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | Mar, Jun, Sep, Dec | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | May–Oct | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.9 mg/L | May–Oct | 003 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 2.1 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .73 kg/d | May–Oct | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .79 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.1 kg/d | May–Oct | 003 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.2 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | monthly average | ≤ .9 mg/L | all year | 003 |
| Phosphorus, total [as P] | weekly maximum | ≤ 1.1 mg/L | all year | 003 |
| Phosphorus, total [as P] | monthly average | ≤ .5 kg/d | all year | 003 |
| Phosphorus, total [as P] | weekly maximum | ≤ .62 kg/d | all year | 003 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Lead, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Lead, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Chromium, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Chromium, hexavalent dissolved [as Cr] | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | May–Oct | 003 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 284 MPN/100mL | May–Oct | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Mercury, total low level | monthly average | ≤ 1.3 ng/L | Mar, Jun, Sep, Dec | 003 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | Mar, Jun, Sep, Dec | 003 |
| Mercury, total low level | monthly average | ≤ .0000007 kg/d | Mar, Jun, Sep, Dec | 003 |
| Mercury, total low level | daily maximum | ≤ .00096 kg/d | Mar, Jun, Sep, Dec | 003 |
| Cyanide, free available | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Cyanide, free available | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 003 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 6.4 mg/L | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 10.7 mg/L | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 3.6 kg/d | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 6 kg/d | all year | 003 |
| Overflows | monthly average | report only (occur/mo) | all year | 300 |
| Overflows | daily maximum | report only (occur/mo) | all year | 300 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 603 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 603 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 603 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 603 |
Cited limits by parameter: Ohio's rules and the federal ones.
· 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/OH0123684 · MCP: https://passage-data.com/mcp