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Redstone TWP Sew Auth Fayette Cnty

Sewage treatment plant, Allison, Pennsylvania. NPDES permit PA0205877, in force until Dec 31, 2029. Last 12 months: over a limit 36 times (last June 2026), 24 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (24 values), form Q quarterly (1 value), form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 0 of 16 reports late

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

All 36 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], monthly average11 mg/L≤ 2.5 mg/L340%
October 2025Nitrogen, ammonia total [as N], monthly average9.6≤ 9 lb/d7%
October 2025Nitrogen, ammonia total [as N], weekly average13.7≤ 13 lb/d5%
October 2025Nitrogen, ammonia total [as N], weekly average20 mg/L≤ 3.5 mg/L471%
November 2025Nitrogen, ammonia total [as N], monthly average12.4 mg/L≤ 7.5 mg/L65%
November 2025Nitrogen, ammonia total [as N], weekly average19.6 mg/L≤ 11 mg/L78%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average53 mg/L≤ 40 mg/L33%
December 2025Nitrogen, ammonia total [as N], monthly average20.2 mg/L≤ 7.5 mg/L169%
December 2025Nitrogen, ammonia total [as N], weekly average26.6 mg/L≤ 11 mg/L142%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average53 mg/L≤ 40 mg/L33%
January 2026Nitrogen, ammonia total [as N], monthly average20.2 mg/L≤ 7.5 mg/L169%
January 2026Nitrogen, ammonia total [as N], weekly average26.6 mg/L≤ 11 mg/L142%
February 2026Nitrogen, ammonia total [as N], monthly average14.89 mg/L≤ 7.5 mg/L99%
February 2026Nitrogen, ammonia total [as N], weekly average22.1 mg/L≤ 11 mg/L101%
February 2026Solids, total suspended, monthly average35 mg/L≤ 30 mg/L17%
February 2026Solids, total suspended, weekly average92 mg/L≤ 45 mg/L104%
March 2026Nitrogen, ammonia total [as N], monthly average13 mg/L≤ 7.5 mg/L73%
March 2026Nitrogen, ammonia total [as N], weekly average19.1 mg/L≤ 11 mg/L74%
March 2026Nitrogen, ammonia total [as N], weekly average42≤ 41 lb/d2%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average27.4 mg/L≤ 25 mg/L10%
April 2026Nitrogen, ammonia total [as N], monthly average20.7 mg/L≤ 7.5 mg/L176%
April 2026Nitrogen, ammonia total [as N], weekly average28.3 mg/L≤ 11 mg/L157%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average188≤ 56 lb/d236%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average43.7 mg/L≤ 15 mg/L191%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average319≤ 80 lb/d299%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average63.9 mg/L≤ 22 mg/L190%
May 2026Coliform, fecal general, geometric mean463 #/100mL≤ 200 #/100mL132%
May 2026Nitrogen, ammonia total [as N], monthly average27.6 mg/L≤ 2.5 mg/L1004%
May 2026Nitrogen, ammonia total [as N], monthly average69≤ 9 lb/d667%
May 2026Nitrogen, ammonia total [as N], weekly average187≤ 13 lb/d1338%
May 2026Nitrogen, ammonia total [as N], weekly average37.4 mg/L≤ 3.5 mg/L969%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average17.9 mg/L≤ 15 mg/L19%
June 2026Nitrogen, ammonia total [as N], monthly average16≤ 9 lb/d78%
June 2026Nitrogen, ammonia total [as N], monthly average23.5 mg/L≤ 2.5 mg/L840%
June 2026Nitrogen, ammonia total [as N], weekly average22≤ 13 lb/d69%
June 2026Nitrogen, ammonia total [as N], weekly average30 mg/L≤ 3.5 mg/L757%

Limits in force (36)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 4 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. Cweekly averagereport 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≤ 110 lb/dall year
Solids, total suspendedweekly average≤ 165 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedweekly averagereport only (lb/d)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 7.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 3.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 11 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 9 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 28 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 13 lb/dMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 41 lb/dJan, Feb, Mar, Apr, Nov, Dec
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
E. colidaily maximumreport only (#/100mL)all year
Ultraviolet light transmittancedaily minimumreport only (%)all year
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Nov, Dec
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 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]weekly average≤ 22 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 90 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 56 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 150 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 80 lb/dMay–Oct

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/PA0205877 · MCP: https://passage-data.com/mcp