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Sewage treatment plant, major discharger, Lockport, New York. NPDES permit NY0027057 expired Aug 31, 2017; its limits still apply. Last 12 months: over a limit 6 times (last August 2026), 1 of 28 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Solids, suspended percent removal, monthly average minimum | 81 % | ≥ 85 % | 27% |
| January 2026 | Solids, suspended percent removal, monthly average minimum | 71 % | ≥ 76 % | 21% |
| March 2026 | Solids, suspended percent removal, monthly average minimum | 66 % | ≥ 76 % | 42% |
| April 2026 | Solids, suspended percent removal, monthly average minimum | 64 % | ≥ 76 % | 50% |
| July 2026 | Solids, suspended percent removal, monthly average minimum | 83 % | ≥ 85 % | 13% |
| August 2026 | Solids, suspended percent removal, monthly average minimum | 84 % | ≥ 85 % | 7% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Stream flow, instantaneous | daily maximum | report only (cfs) | Jun–Oct |
| Oxygen demand, ultimate | daily maximum | report only (mg/L) | Jun–Oct |
| Oxygen demand, ultimate | daily maximum | report only (mg/L) | all year |
| Oxygen demand, ultimate | daily maximum | ≤ 40 mg/L | Jun–Oct |
| Oxygen demand, ultimate | daily maximum | ≤ 60 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Oxygen demand, ultimate | daily maximum | ≤ 40 mg/L | Jun–Oct |
| Oxygen demand, ultimate | daily maximum | ≤ 60 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Oxygen demand, ultimate | daily maximum | ≤ 5137 lb/d | Jun–Oct |
| Oxygen demand, ultimate | daily maximum | report only (lb/d) | Jun–Oct |
| Oxygen demand, ultimate | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Oxygen demand, ultimate | daily maximum | report only (mg/L) | all year |
| Oxygen demand, ultimate | daily maximum | report only (mg/L) | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7 mg/L | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | Jun–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | Jun–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 23 mg/L | Jun–Oct |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 23 mg/L | Jun–Oct |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 5505 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 2752 lb/d | Jun–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 2800 lb/d | Jun–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 5500 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 8257 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 4220 lb/d | Jun–Oct |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 4200 lb/d | Jun–Oct |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 8300 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | 7-day average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | 7-day average | report only (lb/d) | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| pH | minimum | report only (SU) | all year |
| pH | maximum | report only (SU) | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jun–Oct |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | Jun–Oct |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 5505 lb/d | Jun–Oct |
| Solids, total suspended | monthly average | ≤ 5505 lb/d | all year |
| Solids, total suspended | monthly average | ≤ 5500 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 8257 lb/d | Jun–Oct |
| Solids, total suspended | 7-day average | ≤ 8257 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 8300 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | 7-day average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | 7-day average | report only (lb/d) | all year |
| Solids, settleable | daily maximum | ≤ .3 mL/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, settleable | daily maximum | ≤ .1 mL/L | Jun–Oct |
| Solids, settleable | daily maximum | report only (mL/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jun–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Jun–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jun–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Jun–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Chromium, total [as Cr] | daily maximum | ≤ 2.44 lb/d (alert, not enforceable) | all year |
| Chromium, total [as Cr] | daily maximum | ≤ 2.4 lb/d (alert, not enforceable) | all year |
| Copper, total [as Cu] | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Copper, total [as Cu] | daily maximum | ≤ 3.91 lb/d (alert, not enforceable) | all year |
| Copper, total [as Cu] | daily maximum | ≤ 3.9 lb/d (alert, not enforceable) | all year |
| Lead, total [as Pb] | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Lead, total [as Pb] | daily maximum | ≤ 3.11 lb/d (alert, not enforceable) | all year |
| Lead, total [as Pb] | daily maximum | ≤ 3.1 lb/d (alert, not enforceable) | all year |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Nickel, total [as Ni] | daily maximum | ≤ 2.74 lb/d (alert, not enforceable) | all year |
| Nickel, total [as Ni] | daily maximum | ≤ 2.7 lb/d (alert, not enforceable) | all year |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 10.57 lb/d (alert, not enforceable) | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 11 lb/d (alert, not enforceable) | all year |
| Selenium, total [as Se] | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Selenium, total [as Se] | daily maximum | ≤ 1.47 lb/d (alert, not enforceable) | all year |
| Selenium, total [as Se] | daily maximum | ≤ 1.5 lb/d (alert, not enforceable) | all year |
| Dichlorobromomethane | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Dichlorobromomethane | daily maximum | ≤ .65 lb/d (alert, not enforceable) | all year |
| Dichlorobromomethane | daily maximum | ≤ .65 lb/d (alert, not enforceable) | all year |
| Dibromochloromethane | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Dibromochloromethane | daily maximum | ≤ .78 lb/d (alert, not enforceable) | all year |
| Dibromochloromethane | daily maximum | ≤ .78 lb/d (alert, not enforceable) | all year |
| Chloroform | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Chloroform | daily maximum | ≤ .83 lb/d (alert, not enforceable) | all year |
| Chloroform | daily maximum | ≤ .83 lb/d (alert, not enforceable) | all year |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | Jun–Oct |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (lb/d) | Jun–Oct |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (lb/d) | all year |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | Jun–Oct |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (lb/d) | Jun–Oct |
| Nitrogen, ammonia, total [as NH3] | daily maximum | report only (lb/d) | all year |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year |
| Trichloroethylene | daily maximum | report only (ug/L) (alert, not enforceable) | all year |
| Trichloroethylene | daily maximum | ≤ .92 lb/d (alert, not enforceable) | all year |
| Trichloroethylene | daily maximum | ≤ .92 lb/d (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 22 MGD | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 22 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ .5 tox acute (alert, not enforceable) | Jun |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ .71 tox acute (alert, not enforceable) | Dec |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ .71 tox acute (alert, not enforceable) | Jun–Oct |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ .5 tox acute (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 2.3 tox chronic (alert, not enforceable) | Jun |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 3.7 tox chronic (alert, not enforceable) | Dec |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 3.7 tox chronic (alert, not enforceable) | Jun–Oct |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 2.3 tox chronic (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ .5 tox acute (alert, not enforceable) | Jun |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ .71 tox acute (alert, not enforceable) | Dec |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ .71 tox acute (alert, not enforceable) | Jun–Oct |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ .5 tox acute (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 2.3 tox chronic (alert, not enforceable) | Jun |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 3.7 tox chronic (alert, not enforceable) | Dec |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 3.7 tox chronic (alert, not enforceable) | Jun–Oct |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 2.3 tox chronic (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Mercury, total [as Hg] | daily maximum | ≤ 50 ng/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | Jun–Oct |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 66 % | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | Jun–Oct |
| Solids, suspended percent removal | monthly average minimum | ≥ 76 % | Jan, Feb, Mar, Apr, May, Nov, Dec |
Cited limits by parameter: New York's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/NY0027057 · MCP: https://passage-data.com/mcp