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Spring City Boro Chester Cnty

Sewage treatment plant, Spring City, Pennsylvania. NPDES permit PA0028614 expired Nov 30, 2025; its limits still apply. Last 12 months: over a limit 6 times (last June 2026), 23 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values), form Q quarterly (4 values), form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
3 values over a limit, 6 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, instantaneous maximum13100 #/100mL≤ 1000 #/100mL1210%
February 2026Coliform, fecal general, instantaneous maximum1370 #/100mL≤ 1000 #/100mL37%
February 2026Nitrogen, ammonia total [as N], monthly average12.26 mg/L≤ 12 mg/L2%
March 2026pH, instantaneous maximum9.22 SU≤ 9 SU—
April 2026Phosphorus, total [as P], monthly average2.11 mg/L≤ 2 mg/L6%
June 2026Phosphorus, total [as P], monthly average3.17 mg/L≤ 2 mg/L59%

Limits in force (34)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall 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≤ 153 lb/dall year
Solids, total suspendedweekly average≤ 229 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 6 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 12 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 31 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 61 lb/dJan, Feb, Mar, Apr, Nov, Dec
Phosphorus, total [as P]monthly average≤ 2 mg/Lall year
Phosphorus, total [as P]monthly average≤ 10 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
Ultraviolet light transmittancedaily minimumreport only (%)all year
PCBs Dry Weather Analysisdaily maximumreport only (pg/L)all year
Solids, total dissolvedquarterly average≤ 1000 mg/Lall year
Solids, total dissolveddaily maximum≤ 2000 mg/Lall year
Solids, total dissolvedquarterly averagereport only (lb/d)all year
Solids, total dissolveddaily maximumreport only (lb/d)all year
Coliform, fecal generalgeometric mean≤ 200 #/100mLall year
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 22.5 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 76 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 127 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 114 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 203 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all 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/PA0028614 · MCP: https://passage-data.com/mcp