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Lyons Boro Muni Auth Berks Cnty

Sewage treatment plant, Lyon Station, Pennsylvania. NPDES permit PA0085171 expired Sep 30, 2024; its limits still apply. Last 12 months: over a limit 6 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 Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimitOver by
October 2025Solids, total dissolved, monthly average1007 mg/L≤ 1000 mg/L1%
October 2025Solids, total suspended, weekly average48.2 mg/L≤ 45 mg/L7%
January 2026Solids, total dissolved, monthly average1003 mg/L≤ 1000 mg/L0%
February 2026Solids, total dissolved, monthly average1017 mg/L≤ 1000 mg/L2%
May 2026Solids, total dissolved, monthly average1007 mg/L≤ 1000 mg/L1%
June 2026Solids, total dissolved, monthly average1009 mg/L≤ 1000 mg/L1%

Limits in force (58)

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≤ 75 lb/dall year
Solids, total suspendedweekly average≤ 112 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, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 12.5 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 37 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly average≤ 2 mg/Lall year
Phosphorus, total [as P]monthly average≤ 5 lb/dall year
Chloride [as Cl]monthly averagereport only (mg/L)all year
Chloride [as Cl]monthly averagereport only (lb/d)all year
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year
Sulfate, total [as SO4]monthly averagereport 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
Lead, total [as Pb]monthly average≤ .013 mg/Lall year
Lead, total [as Pb]daily maximum≤ .021 mg/Lall year
Lead, total [as Pb]monthly average≤ .03 lb/dall year
Ultraviolet light intensityinstantaneous minimumreport only (mW/cm2)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
Phosphorus, Totalmonthly totalreport only (lb)all year
Phosphorus, Totalannual total≤ 456.6 lball year
Suspended Solids, Totalmonthly totalreport only (lb)all year
Suspended Solids, Totalannual total≤ 13690.7 lball year
Solids, total dissolvedmonthly average≤ 1000 mg/Lall year
Solids, total dissolvedmonthly averagereport only (lb/d)all year
Bromide [as Br]monthly averagereport only (mg/L)all year
Bromide [as Br]monthly averagereport only (lb/d)all 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≤ 16 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≤ 25 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≤ 40 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 62 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 62 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 100 lb/dJan, Feb, Mar, Apr, Nov, Dec

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/PA0085171 · MCP: https://passage-data.com/mcp