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Muni Auth of Westmoreland Cnty

Water Supply, Dunbar Township, Pennsylvania. NPDES permit PA0035246, in force until Dec 31, 2029. Last 12 months: over a limit 13 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (22 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 13 values over a limit
Period endingParameterReportedLimitOver by
November 2025Aluminum, total [as Al], daily maximum11.2 mg/L≤ 8 mg/L40%
November 2025Aluminum, total [as Al], monthly average6.2 mg/L≤ 4 mg/L55%
November 2025Solids, total suspended, daily maximum76 mg/L≤ 60 mg/L27%
November 2025Solids, total suspended, monthly average42 mg/L≤ 30 mg/L40%
January 2026Aluminum, total [as Al], monthly average5.245 mg/L≤ 4 mg/L31%
January 2026Chlorine, total residual, monthly average.53 mg/L≤ .5 mg/L6%
January 2026Solids, total suspended, daily maximum96 mg/L≤ 60 mg/L60%
January 2026Solids, total suspended, monthly average56 mg/L≤ 30 mg/L87%
March 2026Chlorine, total residual, daily maximum1.03 mg/L≤ 1 mg/L3%
March 2026Chlorine, total residual, monthly average.83 mg/L≤ .5 mg/L66%
April 2026Chlorine, total residual, monthly average.88 mg/L≤ .5 mg/L76%
April 2026pH, instantaneous minimum5.8 SU≥ 6 SU—
May 2026Chlorine, total residual, monthly average.54 mg/L≤ .5 mg/L8%

Limits in force (22)

ParameterStatisticLimitMonths
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Cadmium, total [as Cd]monthly averagereport only (ug/L)all year
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year
Iron, total [as Fe]monthly average≤ 2 mg/Lall year
Iron, total [as Fe]daily maximum≤ 4 mg/Lall year
Lead, total [as Pb]monthly averagereport only (ug/L)all year
Lead, total [as Pb]daily maximumreport only (ug/L)all year
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year
Thallium, total [as Tl]monthly averagereport only (ug/L)all year
Thallium, total [as Tl]daily maximumreport only (ug/L)all year
Aluminum, total [as Al]monthly average≤ 4 mg/Lall year
Aluminum, total [as Al]daily maximum≤ 8 mg/Lall 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≤ .5 mg/Lall year
Chlorine, total residualdaily maximum≤ 1 mg/Lall year
Bromide [as Br]monthly averagereport only (mg/L)all year
Bromide [as Br]daily maximumreport only (mg/L)all year

New limits from Jan 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, daily maximum0.4 mg/Ltighter0.535 mg/L (10 values)1.34×
Chlorine, total residual, monthly average0.26 mg/Ltighter0.445 mg/L (10 values)1.71×
Bromide [as Br], daily maximum0.17 mg/Lnew0.03 mg/L (10 values, 8 below detection)—
Bromide [as Br], monthly average0.1 mg/Lnew0.03 mg/L (10 values, 9 below detection)—
Lead, total [as Pb], daily maximum43.5 ug/Lnew0.007 ug/L (10 values, 10 below detection)—
Lead, total [as Pb], monthly average27.9 ug/Lnew0.006 ug/L (10 values, 10 below detection)—

How strict are these limits?

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

Same industry: the 214 Water Supply permits in Pennsylvania.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0035246 · MCP: https://passage-data.com/mcp