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Dover TWP York Cnty

Sewage treatment plant, major discharger, York, Pennsylvania. NPDES permit PA0020826, in force until May 31, 2030. Last 12 months: over a limit 3 times (last May 2026), 72 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (72 values), form Z yearly (5 values), form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimit
October 2025TU Static 7Day Chronic Ceriodaphnia dubia, daily maximum> 1.1 tox chronic≤ 1.1 tox chronic
October 2025Toxicity [chronic], Ceriodaphnia dubia, daily maximum> 1.1 tox chronic≤ 1.1 tox chronic
May 2026TU Static 7Day Chronic Ceriodaphnia dubia, daily maximum> 1.1 tox chronic≤ 1.1 tox chronic

Limits in force (89)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year
pHminimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 2000 lb/dall year
Solids, total suspendedweekly average≤ 3000 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 100 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 300 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ 2 mg/Lall year
Phosphorus, total [as P]monthly average≤ 133 lb/dall year
Chloride [as Cl]monthly averagereport only (mg/L)all year
Chloride [as Cl]daily maximumreport only (mg/L)all year
Chloride [as Cl]monthly averagereport only (lb/d)all year
Chloride [as Cl]daily maximumreport only (lb/d)all year
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year
Sulfate, total [as SO4]monthly averagereport only (lb/d)all year
Sulfate, total [as SO4]daily maximumreport only (lb/d)all year
Copper, total [as Cu]monthly averagereport only (mg/L)all year
Copper, total [as Cu]daily maximumreport only (mg/L)all year
Copper, total [as Cu]monthly averagereport only (lb/d)all year
Copper, total [as Cu]daily maximumreport only (lb/d)all year
Iron, dissolved [as Fe]monthly averagereport only (ug/L)all year
Iron, dissolved [as Fe]daily maximumreport only (ug/L)all year
Iron, dissolved [as Fe]monthly averagereport only (lb/d)all year
Iron, dissolved [as Fe]daily maximumreport only (lb/d)all year
Zinc, total [as Zn]monthly averagereport only (mg/L)all year
Zinc, total [as Zn]daily maximumreport only (mg/L)all year
Zinc, total [as Zn]monthly averagereport only (lb/d)all year
Zinc, total [as Zn]daily maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. colimonthly averagereport only (#/100mL)all year
E. colidaily maximumreport only (#/100mL)all year
Ultraviolet light transmittanceminimumreport only (%)all year
Cyanide, free availablemonthly average≤ 4.42 ug/Lall year
Cyanide, free availabledaily maximum≤ 8.17 ug/Lall year
Cyanide, free availablemonthly average≤ .3 lb/dall year
Cyanide, free availabledaily maximum≤ .55 lb/dall year
Nitrogen, Totalmonthly totalreport only (lb)all year
Nitrogen, Totalannual totalreport only (lb)all year
Nitrogen, Totalmonthly totalreport only (lb)all year
Nitrogen, Totalannual total≤ 146117 lball year
Nitrogen, Ammonia Totalmonthly totalreport only (lb)all year
Nitrogen, Ammonia Totalannual totalreport only (lb)all year
Nitrogen, Kjeldahl Totalmonthly totalreport only (lb)all year
Nitrite Plus Nitrate Totalmonthly totalreport only (lb)all year
Phosphorus, Totalmonthly totalreport only (lb)all year
Phosphorus, Totalannual totalreport only (lb)all year
Phosphorus, Totalmonthly totalreport only (lb)all year
Phosphorus, Totalannual total≤ 19482 lball year
Perfluorooctanoic acid (PFOA)instantaneous maximumreport only (ng/L)all year
Perfluorooctanesulfonateinstantaneous maximumreport only (ng/L)all year
Perfluorobutanesulfonic acid (PFBS)instantaneous maximumreport only (ng/L)all year
Hexafluoropropylene oxide dimer acid (HFPO-DA)instantaneous maximumreport only (ng/L)all year
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 1.1 tox chronicall year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Solids, total dissolvedmonthly averagereport only (mg/L)all year
Solids, total dissolvedmonthly averagereport only (lb/d)all year
Solids, total dissolveddaily maximumreport only (lb/d)all year
Bromide [as Br]monthly averagereport only (mg/L)all year
Bromide [as Br]daily maximumreport only (mg/L)all year
Bromide [as Br]monthly averagereport only (lb/d)all year
Bromide [as Br]daily maximumreport only (lb/d)all year
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1334 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 667 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 2000 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1000 lb/dMay–Oct
TU Static 7Day Chronic Ceriodaphnia dubiadaily maximum≤ 1.1 tox chronicall year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0020826 · MCP: https://passage-data.com/mcp