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Tri Boro Muni Auth Susquehanna Cnty

Sewage treatment plant, Susquehanna, Pennsylvania. NPDES permit PA0023736 expired Jul 31, 2026; its limits still apply. Last 12 months: over a limit 3 times (last April 2026), 36 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (36 values), form Z yearly (5 values), form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 14 reports late

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

Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, weekly average52 mg/L≤ 45 mg/L16%
April 2026Solids, total suspended, weekly average227.3≤ 188 lb/d21%
April 2026Solids, total suspended, weekly average64.4 mg/L≤ 45 mg/L43%

Limits in force (44)

ParameterStatisticLimitMonths
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≤ 125 lb/dall year
Solids, total suspendedweekly average≤ 188 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 averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year
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 averagereport only (mg/L)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
Chlorine, total residualmonthly average≤ 1 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ 2 mg/Lall year
E. colimonthly averagereport only (#/100mL)all 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≤ 9132 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≤ 1218 lball year
Mercury, total [as Hg]annual averagereport only (ug/L)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≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 104 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 167 lb/dall year

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/PA0023736 · MCP: https://passage-data.com/mcp