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Ephrata Boro Auth Lancaster Cnty

Sewage treatment plant, major discharger, Ephrata, Pennsylvania. NPDES permit PA0087181 expired Jul 31, 2026; its limits still apply. Last 12 months: over a limit 5 times (last June 2026), 48 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (48 values), form Z yearly (5 values)
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 endingParameterReportedLimitOver by
May 2026Di[2-ethylhexyl] phthalate [DEHP], daily maximum.01 mg/L≤ .005 mg/L100%
May 2026Di[2-ethylhexyl] phthalate [DEHP], monthly average.01 mg/L≤ .003 mg/L233%
May 2026Di[2-ethylhexyl] phthalate [DEHP], monthly average.064≤ .06 lb/d7%
June 2026Di[2-ethylhexyl] phthalate [DEHP], daily maximum.01 mg/L≤ .005 mg/L100%
June 2026Di[2-ethylhexyl] phthalate [DEHP], monthly average.006 mg/L≤ .003 mg/L100%

Limits in force (57)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 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
pHinstantaneous minimum≥ 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≤ 575 lb/dall year
Solids, total suspendedweekly average≤ 863 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≤ 7.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 144 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 48 lb/dMay–Oct
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≤ 38 lb/dall year
Copper, total [as Cu]monthly averagereport only (mg/L)all year
Copper, total [as Cu]monthly averagereport only (lb/d)all year
Zinc, total [as Zn]monthly averagereport only (mg/L)all year
Zinc, total [as Zn]monthly averagereport only (lb/d)all year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .003 mg/Lall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .005 mg/Lall year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .06 lb/dall 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
Chlorine, total residualmonthly average≤ .42 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ 1.38 mg/Lall year
E. coliinstantaneous maximumreport only (#/100mL)all year
Cyanide, free availablemonthly average≤ .009 mg/Lall year
Cyanide, free availabledaily maximum≤ .015 mg/Lall year
Cyanide, free availablemonthly average≤ .19 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≤ 54550 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≤ 6818 lball year
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 480 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 767 lb/dall 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/PA0087181 · MCP: https://passage-data.com/mcp