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Westlake Pipe & Fittings

Plastics Pipe, Leola, Pennsylvania. NPDES permit PA0080594 expired Feb 28, 2026; its limits still apply. Last 12 months: over a limit 50 times (last June 2026), 90 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (44 values), outfall 001 form B monthly (1 value), outfall 001 form C monthly (1 value), outfall 002 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
88 values over a limit, 0 required values missing, 0 of 28 reports late

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

All 50 values over a limit
Period endingParameterReportedLimitOver by
October 20251,1,2,2-Tetrachloroethane, daily maximum< .002≤ .0015 lb/d33%
October 20251,1,2,2-Tetrachloroethane, monthly average< .002≤ .001 lb/d100%
October 20251,2-Dichloroethane, daily maximum.0062 mg/L≤ .0037 mg/L68%
October 20251,2-Dichloroethane, daily maximum.01≤ .0035 lb/d186%
October 20251,2-Dichloroethane, monthly average.004≤ .0023 lb/d74%
October 2025Carbon tetrachloride, monthly average< .002≤ .0014 lb/d43%
October 2025Vinyl chloride, daily maximum.0013 mg/L≤ .0002 mg/L550%
October 2025Vinyl chloride, daily maximum.002≤ .00023 lb/d770%
October 2025Vinyl chloride, monthly average.001 mg/L≤ .0001 mg/L900%
October 2025Vinyl chloride, monthly average.002≤ .00015 lb/d1233%
November 20251,1,2,2-Tetrachloroethane, daily maximum< .002≤ .0015 lb/d33%
November 20251,1,2,2-Tetrachloroethane, monthly average< .002≤ .001 lb/d100%
November 2025Carbon tetrachloride, monthly average< .002≤ .0014 lb/d43%
November 2025Vinyl chloride, daily maximum< .001 mg/L≤ .0002 mg/L400%
November 2025Vinyl chloride, daily maximum< .002≤ .00023 lb/d770%
November 2025Vinyl chloride, monthly average< .001 mg/L≤ .0001 mg/L900%
November 2025Vinyl chloride, monthly average< .002≤ .00015 lb/d1233%
December 20251,1,2,2-Tetrachloroethane, daily maximum< .002≤ .0015 lb/d33%
December 20251,1,2,2-Tetrachloroethane, monthly average< .002≤ .001 lb/d100%
December 20251,2-Dichloroethane, daily maximum.004≤ .0035 lb/d14%
December 2025Carbon tetrachloride, monthly average< .002≤ .0014 lb/d43%
December 2025Vinyl chloride, daily maximum< .001 mg/L≤ .0002 mg/L400%
December 2025Vinyl chloride, daily maximum< .002≤ .00023 lb/d770%
December 2025Vinyl chloride, monthly average< .001 mg/L≤ .0001 mg/L900%
December 2025Vinyl chloride, monthly average< .002≤ .00015 lb/d1233%
January 20261,1,2,2-Tetrachloroethane, monthly average< .002≤ .001 lb/d100%
January 2026BOD, 5-day, 20 deg. C, daily maximum93 mg/L≤ 26 mg/L258%
January 2026Vinyl chloride, daily maximum.0015 mg/L≤ .0002 mg/L650%
January 2026Vinyl chloride, daily maximum< .002≤ .00023 lb/d770%
January 2026Vinyl chloride, monthly average.002≤ .00015 lb/d1233%
January 2026Vinyl chloride, monthly average< .001 mg/L≤ .0001 mg/L900%
February 20261,1,2,2-Tetrachloroethane, daily maximum< .002≤ .0015 lb/d33%
February 2026Temperature, water deg. fahrenheit, monthly average53.6 deg F≤ 49 deg F9%
February 2026Vinyl chloride, daily maximum< .001 mg/L≤ .0002 mg/L400%
February 2026Vinyl chloride, daily maximum< .002≤ .00023 lb/d770%
February 2026Vinyl chloride, monthly average< .0007≤ .00015 lb/d367%
February 2026Vinyl chloride, monthly average< .001 mg/L≤ .0001 mg/L900%
April 2026Vinyl chloride, daily maximum< .0006≤ .00023 lb/d161%
April 2026Vinyl chloride, daily maximum< .001 mg/L≤ .0002 mg/L400%
April 2026Vinyl chloride, monthly average< .0006≤ .00015 lb/d300%
April 2026Vinyl chloride, monthly average< .001 mg/L≤ .0001 mg/L900%
May 2026Vinyl chloride, daily maximum< .0009≤ .00023 lb/d291%
May 2026Vinyl chloride, daily maximum< .001 mg/L≤ .0002 mg/L400%
May 2026Vinyl chloride, monthly average< .0006≤ .00015 lb/d300%
May 2026Vinyl chloride, monthly average< .001 mg/L≤ .0001 mg/L900%
June 2026Solids, total suspended, daily maximum28 mg/L≤ 19 mg/L47%
June 2026Vinyl chloride, daily maximum< .0005≤ .00023 lb/d117%
June 2026Vinyl chloride, daily maximum< .001 mg/L≤ .0002 mg/L400%
June 2026Vinyl chloride, monthly average< .0004≤ .00015 lb/d167%
June 2026Vinyl chloride, monthly average< .001 mg/L≤ .0001 mg/L900%

Limits in force (66)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly average≤ 49 deg FJan001
Temperature, water deg. fahrenheitmonthly average≤ 92 deg FSep001
Temperature, water deg. fahrenheitmonthly average≤ 49 deg FFeb001
Temperature, water deg. fahrenheitmonthly average≤ 84 deg FApr001
Temperature, water deg. fahrenheitmonthly average≤ 101 deg FJun001
Temperature, water deg. fahrenheitmonthly average≤ 74 deg FOct001
Temperature, water deg. fahrenheitmonthly average≤ 78 deg FApr001
Temperature, water deg. fahrenheitmonthly average≤ 97 deg FAug001
Temperature, water deg. fahrenheitmonthly average≤ 100 deg FMay001
Temperature, water deg. fahrenheitmonthly average≤ 57 deg FNov001
Temperature, water deg. fahrenheitmonthly average≤ 86 deg FSep001
Temperature, water deg. fahrenheitmonthly average≤ 48 deg FDec001
Temperature, water deg. fahrenheitmonthly average≤ 80 deg FOct001
Temperature, water deg. fahrenheitmonthly average≤ 105 deg FJun001
Temperature, water deg. fahrenheitmonthly average≤ 69 deg FMar001
Temperature, water deg. fahrenheitmonthly average≤ 97 deg FAug001
Temperature, water deg. fahrenheitmonthly average≤ 81 deg FMay001
Temperature, water deg. fahrenheitmonthly average≤ 67 deg FNov001
Temperature, water deg. fahrenheitmonthly average≤ 98 deg FJul001
BOD, 5-day, 20 deg. Cdaily maximum≤ 26 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 19 mg/Lall year001
Solids, total suspendeddaily maximumreport only (lb/d)all year001
Oil & Greasemonthly average≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 30 mg/Lall year001
Oil & Greasemonthly averagereport only (lb/d)all year001
Oil & Greasedaily maximumreport only (lb/d)all year001
Dichlorobromomethanemonthly averagereport only (mg/L)all year001
Dichlorobromomethanedaily maximumreport only (mg/L)all year001
Dichlorobromomethanemonthly averagereport only (lb/d)all year001
Dichlorobromomethanedaily maximumreport only (lb/d)all year001
Carbon tetrachloridemonthly average≤ .0015 mg/Lall year001
Carbon tetrachloridedaily maximum≤ .0022 mg/Lall year001
Carbon tetrachloridemonthly average≤ .0014 lb/dall year001
Carbon tetrachloridedaily maximum≤ .0021 lb/dall year001
1,2-Dichloroethanemonthly average≤ .0025 mg/Lall year001
1,2-Dichloroethanedaily maximum≤ .0037 mg/Lall year001
1,2-Dichloroethanemonthly average≤ .0023 lb/dall year001
1,2-Dichloroethanedaily maximum≤ .0035 lb/dall year001
Chlorodibromomethanemonthly averagereport only (mg/L)all year001
Chlorodibromomethanedaily maximumreport only (mg/L)all year001
Chlorodibromomethanemonthly averagereport only (lb/d)all year001
Chlorodibromomethanedaily maximumreport only (lb/d)all year001
1,1,2-Trichloroethanemonthly averagereport only (mg/L)all year001
1,1,2-Trichloroethanedaily maximumreport only (mg/L)all year001
1,1,2-Trichloroethanemonthly averagereport only (lb/d)all year001
1,1,2-Trichloroethanedaily maximumreport only (lb/d)all year001
1,1,2,2-Tetrachloroethanemonthly average≤ .0011 mg/Lall year001
1,1,2,2-Tetrachloroethanedaily maximum≤ .0016 mg/Lall year001
1,1,2,2-Tetrachloroethanemonthly average≤ .001 lb/dall year001
1,1,2,2-Tetrachloroethanedaily maximum≤ .0015 lb/dall year001
Vinyl chloridemonthly average≤ .0001 mg/Lall year001
Vinyl chloridedaily maximum≤ .0002 mg/Lall year001
Vinyl chloridemonthly average≤ .00015 lb/dall year001
Vinyl chloridedaily maximum≤ .00023 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
1,3-Dichloropropenemonthly averagereport only (mg/L)all year001
1,3-Dichloropropenedaily maximumreport only (mg/L)all year001
1,3-Dichloropropenemonthly averagereport only (lb/d)all year001
1,3-Dichloropropenedaily maximumreport only (lb/d)all year001
pHdaily maximumreport only (SU)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Zinc, total [as Zn]daily maximumreport only (mg/L)all year002

How strict are these limits?

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

Same industry: the 33 Rubber and Miscellaneous Plastics Products permits in Pennsylvania.

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