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Plants facing new discharge limits — by state and pollutant

In Pennsylvania, for Chlorine, total residual: 70 plants hold a permit with a new or tighter discharge limit already written into it, taking effect between Nov 1, 2026 and Apr 1, 2031 (131 limits); 39 of them reported a median above that limit between Oct 1, 2025 and Sep 30, 2026. EPA's file of Oct 16, 2026.

By state: all · LA 78 · PA 70 · AR 45 · IA 20 · OH 16 · SC 8 · OR 6 · GA 4 · NY 4 · IL 3 · MS 3 · TN 3 · MI 2 · MO 2 · VA 2 · CO 1 · ME 1 · MN 1 · NE 1 · PR 1 · UT 1

By pollutant: all · Chlorine, total residual 70 · Copper, total [as Cu] 48 · Nitrogen, ammonia total [as N] 45 · Cyanide, free available 13 · Zinc, total [as Zn] 12 · Aluminum, total [as Al] 11 · Selenium, total [as Se] 10 · Chloroform 9 · Di[2-ethylhexyl] phthalate [DEHP] 9 · Thallium, total [as Tl] 9 · Temperature, water deg. fahrenheit 8 · BOD, carbonaceous [5 day, 20 C] 7 · Dichlorobromomethane 7 · Iron, total [as Fe] 7 · Lead, total [as Pb] 7 · Manganese, total [as Mn] 7 · Solids, total suspended 7 · Arsenic, total [as As] 6 · Mercury, total [as Hg] 6 · Boron, total [as B] 5 · Cadmium, total [as Cd] 4 · Chlorodibromomethane 4 · Iron, dissolved [as Fe] 4 · Phosphorus, total [as P] 4 · Antimony, total [as Sb] 3

PlantPermitStateTypeDesign flowParameterNew limitEffectiveToday's median× limit
TULPEHOCKEN AREA SCH DISTPA0051748PAIndustrial.022 MGDChlorine, total residualmonthly average 0.25 mg/L, tighterNov 1, 20260.28 mg/L (9 values)1.12×
MAHONING TWP ARMSTRONG CNTYPA0252581PASewage plant.09 MGDChlorine, total residualmonthly average 0.01 mg/L, tighterJan 31, 20270.04 mg/L (9 values)4×
EMPIRE REALTY HOMES LLCPA0255416PAIndustrial.035 MGDChlorine, total residualmonthly average 0.5 mg/L, tighterJan 31, 20270.95 mg/L (9 values)1.9×
MAHONING TWP ARMSTRONG CNTYPA0252581PASewage plant.09 MGDChlorine, total residualinstantaneous maximum 0.04 mg/L, tighterJan 31, 20270.06 mg/L (9 values)1.5×
P & B ESTATES LLCPA0091260PAIndustrial.011 MGDChlorine, total residualmonthly average 0.21 mg/L, tighterJan 31, 20270.28 mg/L (9 values)1.33×
EMPIRE REALTY HOMES LLCPA0255416PAIndustrial.035 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L, tighterJan 31, 20271.85 mg/L (9 values)1.16×
PENNSBURY VILLAGE BORO ALLEGHENY CNTYPA0047228PASewage plant.17 MGDChlorine, total residualmonthly average 0.02 mg/L, tighterMar 1, 20270.31 mg/L (9 values)15.5×
PENNSBURY VILLAGE BORO ALLEGHENY CNTYPA0047228PASewage plant.17 MGDChlorine, total residualinstantaneous maximum 0.07 mg/L, tighterMar 1, 20270.51 mg/L (9 values)7.29×
WAVERLY TWP LACKAWANNA CNTYPA0061034PASewage plant.5 MGDChlorine, total residualmonthly average 0.02 mg/L, tighterApr 1, 20270.25 mg/L (8 values)12.5×
WAVERLY TWP LACKAWANNA CNTYPA0061034PASewage plant.5 MGDChlorine, total residualinstantaneous maximum 0.06 mg/L, tighterApr 1, 20270.4 mg/L (8 values)6.67×
BECKER CARL DPA0052591PAIndustrial.05 MGDChlorine, total residualmonthly average 0.94 mg/L, tighterApr 1, 20271.06 mg/L (9 values)1.13×
WALLACE RUN RD LLCPA0217999PAIndustrial.001 MGDChlorine, total residualinstantaneous maximum 0.02 mg/L, tighterJun 1, 20270.03 mg/L (9 values)1.5×
POCONO PLATEAU CHRISTIAN ASSNPA0060721PAIndustrial.015 MGDChlorine, total residualmonthly average 0.5 mg/L, tighterJun 1, 20270.7 mg/L (9 values)1.4×
POCONO PLATEAU CHRISTIAN ASSNPA0060721PAIndustrial.015 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L, tighterJun 1, 20271.8 mg/L (9 values)1.12×
ROOF GARDEN MHC LLCPA0095851PAIndustrial.013 MGDChlorine, total residualmonthly average 0.11 mg/L, tighterOct 1, 20270.31 mg/L (9 values)2.82×
SHADE CTL CITY JT AUTHPA0025810PASewage plant.85 MGDChlorine, total residualmonthly average 0.153 mg/L, tighterOct 1, 20270.36 mg/L (9 values)2.35×
ROOF GARDEN MHC LLCPA0095851PAIndustrial.013 MGDChlorine, total residualinstantaneous maximum 0.359 mg/L, tighterOct 1, 20270.48 mg/L (9 values)1.34×
FAITH BLDR ED PROGRAMS INCPA0035505PAIndustrial.018 MGDChlorine, total residualmonthly average 0.2 mg/L, tighterDec 1, 20270.3 mg/L (9 values)1.5×
FAITH BLDR ED PROGRAMS INCPA0035505PAIndustrial.018 MGDChlorine, total residualinstantaneous maximum 0.7 mg/L, tighterDec 1, 20270.76 mg/L (9 values)1.09×
MUNI AUTH OF WESTMORELAND CNTYPA0035246PAIndustrial1.3 MGDChlorine, total residualmonthly average 0.26 mg/L, tighterJan 1, 20280.445 mg/L (10 values)1.71×
MUNI AUTH OF WESTMORELAND CNTYPA0035246PAIndustrial1.3 MGDChlorine, total residualdaily maximum 0.4 mg/L, tighterJan 1, 20280.535 mg/L (10 values)1.34×
GREGG TWP SEW AUTH CENTRE CNTYPA0115266PASewage plant.09 MGDChlorine, total residualinstantaneous maximum 0.02 mg/L, tighterFeb 1, 20280.18 mg/L (8 values)9×
ESCAPE POAPA0035891PAIndustrial.098 MGDChlorine, total residualmonthly average 0.02 mg/L, tighterMay 1, 20280.4 mg/L (9 values)20×
ESCAPE POAPA0035891PAIndustrial.098 MGDChlorine, total residualinstantaneous maximum 0.06 mg/L, tighterMay 1, 20280.69 mg/L (9 values)11.5×
LACEYVILLE BORO JT MUNI AUTH WYOMING CNTYPA0062596PASewage plant.08 MGDChlorine, total residualmonthly average 0.11 mg/L, tighterMay 1, 20280.17 mg/L (9 values)1.55×
LACEYVILLE BORO JT MUNI AUTH WYOMING CNTYPA0062596PASewage plant.08 MGDChlorine, total residualinstantaneous maximum 0.35 mg/L, tighterMay 1, 20280.51 mg/L (9 values)1.46×
CRESSON POINT PROP LLCPA0062316PAIndustrial.038 MGDChlorine, total residualmonthly average 0.5 mg/L, tighterMay 1, 20280.65 mg/L (9 values)1.3×
SCHUYLKILL CNTY MUNI AUTHPA0042951PASewage plant.5 MGDChlorine, total residualmonthly average 0.21 mg/L, tighterMay 1, 20280.24 mg/L (9 values)1.14×
PA DCNRPA0032433PAIndustrial.08 MGDChlorine, total residualmonthly average 0.5 mg/L (Jan, Feb, Mar, Apr, Oct, Nov, Dec), tighterMay 1, 20280.55 mg/L (6 values)1.1×
PA DCNRPA0032115PAIndustrial.105 MGDChlorine, total residualmonthly average 0.3 mg/L (Jan, Feb, Mar, Apr, Oct, Nov, Dec), tighterMay 1, 20280.31 mg/L (7 values)1.03×
BARKEYVILLE SEWERAGE LLCPA0025607PAIndustrial.15 MGDChlorine, total residualmonthly average 0.02 mg/L, tighterJun 1, 20280.4 mg/L (9 values)20×
BARKEYVILLE SEWERAGE LLCPA0025607PAIndustrial.15 MGDChlorine, total residualinstantaneous maximum 0.028 mg/L, tighterJun 1, 20280.44 mg/L (9 values)15.7×
COMM UTILITIES OF PENNSYLVANIAPA0037290PAIndustrial.25 MGDChlorine, total residualmonthly average 0.07 mg/L, tighterJun 1, 20280.33 mg/L (6 values)4.71×
COMM UTILITIES OF PENNSYLVANIAPA0037290PAIndustrial.25 MGDChlorine, total residualinstantaneous maximum 0.25 mg/L, tighterJun 1, 20280.745 mg/L (6 values)2.98×
DEER CREEK DRAINAGE BASIN AUTHPA0093891PASewage plant0 MGDChlorine, total residualmonthly average 0.034 mg/L, tighterJun 1, 20280.04 mg/L (10 values)1.18×
GLEN CAMPBELL BORO INDIANA CNTYPA0219185PASewage plant.034 MGDChlorine, total residualmonthly average 0.25 mg/L, tighterJun 1, 20280.29 mg/L (9 values)1.16×
BETHLEHEM CTR SCH DISTPA0096571PAIndustrial.024 MGDChlorine, total residualmonthly average 0.02 mg/L, tighterAug 1, 20280.03 mg/L (9 values)1.5×
NORTHEAST AMER DIOCESE OF THE MALANKARA ORTHODOX SYRIAN CHPA0031071PAIndustrial.02 MGDChlorine, total residualmonthly average 0.09 mg/L, tighterOct 1, 20280.28 mg/L (9 values)3.11×
SCHUYLKILL CNTY MUNI AUTHPA0064068PASewage plant.45 MGDChlorine, total residualmonthly average 0.37 mg/L, tighterOct 1, 20280.76 mg/L (9 values)2.05×
SCHUYLKILL CNTY MUNI AUTHPA0064068PASewage plant.45 MGDChlorine, total residualinstantaneous maximum 1.2 mg/L, tighterOct 1, 20281.5 mg/L (9 values)1.25×
WAYNE HIGHLAND SCH DISTPA0060861PAIndustrial.007 MGDChlorine, total residualmonthly average 0.104 mg/L, tighterNov 1, 20280.4 mg/L (9 values)3.85×
WAYNE HIGHLAND SCH DISTPA0060861PAIndustrial.007 MGDChlorine, total residualinstantaneous maximum 0.341 mg/L, tighterNov 1, 20281.25 mg/L (9 values)3.67×
LACKAWANNA RIVER BASIN SEW AUTHPA0027081PASewage plant15.7 MGDChlorine, total residualmonthly average 0.5 mg/L, tighterNov 1, 20280.66 mg/L (9 values)1.32×
PA DCNR PROMISED LAND STATE PARKPA0032123PAIndustrial.2 MGDChlorine, total residualmonthly average 0.19 mg/L (Jan, Feb, Mar, Apr, Oct, Nov, Dec), tighterJan 1, 20290.42 mg/L (7 values)2.21×
PA DPWPA0029432PAIndustrial.395 MGDChlorine, total residualmonthly average 0.011 mg/L, tighterJan 1, 20290.02 mg/L (9 values)1.82×
PA DCNR PROMISED LAND STATE PARKPA0032123PAIndustrial.2 MGDChlorine, total residualinstantaneous maximum 0.62 mg/L (Jan, Feb, Mar, Apr, Oct, Nov, Dec), tighterJan 1, 20290.76 mg/L (7 values)1.23×
MARIAN HIGH SCHPA0061310PAIndustrial.035 MGDChlorine, total residualmonthly average 0.5 mg/L, tighterMar 1, 20290.65 mg/L (9 values)1.3×
MT JEWETT BORO MCKEAN CNTYPA0023451PASewage plant.5 MGDChlorine, total residualmonthly average 0.02 mg/L, tighterJun 1, 20290.28 mg/L (9 values)14×
SHENANDOAH MUNI SEW AUTH SCHUYLKILL CNTYPA0070386PASewage plant, major2 MGDChlorine, total residualmonthly average 0.07 mg/L, tighterJun 1, 20290.8 mg/L (9 values)11.4×
SHENANDOAH MUNI SEW AUTH SCHUYLKILL CNTYPA0070386PASewage plant, major2 MGDChlorine, total residualinstantaneous maximum 0.17 mg/L, tighterJun 1, 20291.1 mg/L (9 values)6.47×
SHOHOLA FALLS TRAILS ENDPA0060577PAIndustrial.205 MGDChlorine, total residualmonthly average 0.041 mg/L, tighterJun 1, 20290.0875 mg/L (8 values)2.13×
SHOHOLA FALLS TRAILS ENDPA0060577PAIndustrial.205 MGDChlorine, total residualinstantaneous maximum 0.13 mg/L, tighterJun 1, 20290.17 mg/L (8 values)1.31×
COALDALE-LANSFORD-SUMMIT HILL SEWER AUTHORITYPA0026476PASewage plant, major1.65 MGDChlorine, total residualmonthly average 0.11 mg/L, tighterAug 1, 20290.4 mg/L (9 values)3.64×
ROBINSON TWP MUNI AUTH ALLEGHENY CNTYPA0036293PASewage plant, major1 MGDChlorine, total residualmonthly average 0.011 mg/L, tighterApr 1, 20300.3 mg/L (9 values)27.3×
BOYLE PATRICKPA0033316PAIndustrial.013 MGDChlorine, total residualmonthly average 0.2 mg/L, tighterAug 1, 20300.3 mg/L (9 values, 1 below detection)1.5×
PA AMER WATER COPA0026697PAIndustrial, major20 MGDChlorine, total residualmonthly average 0.062 mg/L, tighterApr 1, 20310.28 mg/L (9 values)4.52×
PA AMER WATER COPA0026697PAIndustrial, major20 MGDChlorine, total residualinstantaneous maximum 0.202 mg/L, tighterApr 1, 20310.45 mg/L (9 values)2.23×
TULPEHOCKEN AREA SCH DISTPA0051748PAIndustrial.022 MGDChlorine, total residualinstantaneous maximum 0.82 mg/L, tighterNov 1, 20260.64 mg/L (9 values)0.78×
PL UTILITIES, LLCPA0041912PAIndustrial.07 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L, tighterJan 1, 2027under 3 values—
PL UTILITIES, LLCPA0041912PAIndustrial.07 MGDChlorine, total residualmonthly average 0.5 mg/L, tighterJan 1, 2027under 3 values—
P & B ESTATES LLCPA0091260PAIndustrial.011 MGDChlorine, total residualinstantaneous maximum 0.69 mg/L, tighterJan 31, 20270.49 mg/L (9 values)0.71×
SUMMIT SCH INCPA0031305PAIndustrial.04 MGDChlorine, total residualmonthly average 0.29 mg/L, tighterJan 31, 20270.1 mg/L (9 values)0.345×
SUMMIT SCH INCPA0031305PAIndustrial.04 MGDChlorine, total residualinstantaneous maximum 0.96 mg/L, tighterJan 31, 20270.1 mg/L (9 values)0.104×
FRANCONIA MENNONITE CAMP ASSN INCPA0035033PAIndustrial.021 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L, tighterMar 1, 20271.05 mg/L (9 values)0.656×
FRANCONIA MENNONITE CAMP ASSN INCPA0035033PAIndustrial.021 MGDChlorine, total residualmonthly average 0.5 mg/L, tighterMar 1, 20270.16 mg/L (9 values)0.32×
URSINA BORO SOMERSET CNTYPA0254380PAIndustrial.04 MGDChlorine, total residualinstantaneous maximum 0.02 mg/L, tighterMar 1, 20270.000001 mg/L (9 values, 1 below detection)0.00005×
URSINA BORO SOMERSET CNTYPA0254380PAIndustrial.04 MGDChlorine, total residualmonthly average 0.02 mg/L, tighterMar 1, 20270.000001 mg/L (9 values, 1 below detection)0.00005×
CRANBERRY TWP BUTLER CNTYPA0024571PASewage plant, major7.5 MGDChlorine, total residualinstantaneous maximum 0.13 mg/L, tighterMar 1, 20270.1 mg/L (9 values, 9 below detection)—
CRANBERRY TWP BUTLER CNTYPA0024571PASewage plant, major7.5 MGDChlorine, total residualmonthly average 0.04 mg/L, tighterMar 1, 20270.1 mg/L (9 values, 9 below detection)—
FAIR WINDS MANOR LPPA0092819PAIndustrial.018 MGDChlorine, total residualmonthly average 0.08 mg/L, tighterMar 30, 20270.03 mg/L (9 values)0.375×
FAIR WINDS MANOR LPPA0092819PAIndustrial.018 MGDChlorine, total residualinstantaneous maximum 0.25 mg/L, tighterMar 30, 2027under 3 values—
MONROE CAREER & TECH INSTPA0061093PAIndustrial.015 MGDChlorine, total residualinstantaneous maximum 0.87 mg/L, tighterApr 1, 20270.15 mg/L (9 values, 1 below detection)0.172×
MONROE CAREER & TECH INSTPA0061093PAIndustrial.015 MGDChlorine, total residualmonthly average 0.26 mg/L, tighterApr 1, 20270.01 mg/L (9 values, 1 below detection)0.0385×
WALLACE RUN RD LLCPA0217999PAIndustrial.001 MGDChlorine, total residualmonthly average 0.02 mg/L, tighterJun 1, 20270.01 mg/L (9 values)0.5×
GRACE & TRUTH EVAN ASSNPA0060712PAIndustrial.023 MGDChlorine, total residualmonthly average 0.34 mg/L, tighterJun 1, 20270.1 mg/L (9 values)0.294×
GRACE & TRUTH EVAN ASSNPA0060712PAIndustrial.023 MGDChlorine, total residualinstantaneous maximum 1.1 mg/L, tighterJun 1, 20270.29 mg/L (9 values)0.264×
SMITHFIELD TWP MONROE CNTYPA0061361PASewage plant.4 MGDChlorine, total residualinstantaneous maximum 0.66 mg/L, tighterJun 1, 2027under 3 values—
CURTISS WRIGHT CORPPA0001228PAIndustrial.55 MGDChlorine, total residualdaily maximum 0.027 mg/L, newSep 1, 20270.01 mg/L (9 values, 6 below detection)—
CURTISS WRIGHT CORPPA0001228PAIndustrial.55 MGDChlorine, total residualmonthly average 0.02 mg/L, newSep 1, 20270.01 mg/L (9 values, 9 below detection)—
ARARAT TWP SUSQUEHANNA CNTYPA0063321PASewage plant.035 MGDChlorine, total residualmonthly average 0.13 mg/L, tighterOct 1, 20270.11 mg/L (9 values)0.846×
ARARAT TWP SUSQUEHANNA CNTYPA0063321PASewage plant.035 MGDChlorine, total residualinstantaneous maximum 0.42 mg/L, tighterOct 1, 20270.35 mg/L (9 values)0.833×
CONEMAUGH TWP SOMERSET CNTYPA0216399PAIndustrial.643 MGDChlorine, total residualdaily maximum 0.087 mg/L, tighterJan 1, 2028under 3 values—
CONEMAUGH TWP SOMERSET CNTYPA0216399PAIndustrial.643 MGDChlorine, total residualmonthly average 0.037 mg/L, tighterJan 1, 2028under 3 values—
CONEMAUGH TWP SOMERSET CNTYPA0216399PAIndustrial.643 MGDChlorine, total residualmonthly average 0.48 mg/L, tighterJan 1, 2028under 3 values—
EAST STROUDSBURG BORO MONROE CNTYPA0034517PAIndustrial.09 MGDChlorine, total residualmonthly average 0.31 mg/L, tighterFeb 1, 20280.12 mg/L (9 values, 1 below detection)0.387×
ELK MTN SKI RESORT INCPA0061913PAIndustrial.1 MGDChlorine, total residualmonthly average 0.257 mg/L, tighterApr 1, 2028under 3 values—
BLOOMFIELD TWP SEW AUTHPA0100960PASewage plant.35 MGDChlorine, total residualmonthly average 0.31 mg/L, tighterMay 1, 20280.3 mg/L (9 values)0.968×
CRESSON POINT PROP LLCPA0062316PAIndustrial.038 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L, tighterMay 1, 20281.12 mg/L (9 values)0.7×
PA DCNRPA0032433PAIndustrial.08 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L (Jan, Feb, Mar, Apr, Oct, Nov, Dec), tighterMay 1, 20280.915 mg/L (6 values)0.572×
SCHUYLKILL CNTY MUNI AUTHPA0042951PASewage plant.5 MGDChlorine, total residualinstantaneous maximum 0.67 mg/L, tighterMay 1, 20280.38 mg/L (9 values)0.567×
WIND GAP BORO MUNI AUTH NORTHAMPTON CNTYPA0052167PASewage plant, major1 MGDChlorine, total residualinstantaneous maximum 0.13 mg/L, tighterMay 1, 20280.07 mg/L (9 values)0.538×
WIND GAP BORO MUNI AUTH NORTHAMPTON CNTYPA0052167PASewage plant, major1 MGDChlorine, total residualmonthly average 0.04 mg/L, tighterMay 1, 20280.02 mg/L (9 values)0.5×
BLOOMFIELD TWP SEW AUTHPA0100960PASewage plant.35 MGDChlorine, total residualinstantaneous maximum 0.94 mg/L, tighterMay 1, 20280.43 mg/L (9 values)0.457×
PA DCNRPA0032433PAIndustrial.08 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L (May–Sep), tighterMay 1, 2028under 3 values—
PA DCNRPA0032433PAIndustrial.08 MGDChlorine, total residualmonthly average 0.5 mg/L (May–Sep), tighterMay 1, 2028under 3 values—
PA DCNRPA0032115PAIndustrial.105 MGDChlorine, total residualmonthly average 0.3 mg/L (May–Sep), tighterMay 1, 2028under 3 values—
DEER CREEK DRAINAGE BASIN AUTHPA0093891PASewage plant0 MGDChlorine, total residualinstantaneous maximum 0.11 mg/L, tighterJun 1, 20280.085 mg/L (10 values)0.773×
SPG INCPA0033740PAIndustrial.02 MGDChlorine, total residualinstantaneous maximum 0.6 mg/L, tighterJun 1, 20280.04 mg/L (9 values)0.0667×
SPG INCPA0033740PAIndustrial.02 MGDChlorine, total residualmonthly average 0.18 mg/L, tighterJun 1, 20280.01 mg/L (9 values)0.0556×
GLENBURN SVC COPA0061085PAIndustrial.033 MGDChlorine, total residualmonthly average 0.5 mg/L, tighterJul 1, 20280.37 mg/L (9 values)0.74×
GLENBURN SVC COPA0061085PAIndustrial.033 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L, tighterJul 1, 20280.68 mg/L (9 values)0.425×
BETHLEHEM CTR SCH DISTPA0096571PAIndustrial.024 MGDChlorine, total residualinstantaneous maximum 0.06 mg/L, tighterAug 1, 20280.02 mg/L (9 values)0.333×
NORTHAMPTON AREA SCH DISTPA0051675PAIndustrial.006 MGDChlorine, total residualmonthly average 0.363 mg/L, tighterAug 1, 20280.09 mg/L (9 values)0.248×
JENDRZEJEWSKI WILLIAM & TESSPA0063657PAIndustrial.007 MGDChlorine, total residualinstantaneous maximum 0.53 mg/L, tighterAug 1, 2028under 3 values—
JENDRZEJEWSKI WILLIAM & TESSPA0063657PAIndustrial.007 MGDChlorine, total residualmonthly average 0.16 mg/L, tighterAug 1, 2028under 3 values—
LUTHERLYNPA0104299PAIndustrial.016 MGDChlorine, total residualmonthly average 0.16 mg/L, tighterSep 1, 20280.04 mg/L (9 values)0.25×
LUTHERLYNPA0104299PAIndustrial.016 MGDChlorine, total residualinstantaneous maximum 0.53 mg/L, tighterSep 1, 20280.07 mg/L (9 values)0.132×
LACKAWANNA RIVER BASIN SEW AUTHPA0027081PASewage plant15.7 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L, tighterNov 1, 20281.05 mg/L (9 values)0.656×
SC STREAM PA LLCPA0061115PAIndustrial.1 MGDChlorine, total residualinstantaneous maximum 1 mg/L, tighterDec 1, 20280.135 mg/L (8 values)0.135×
SC STREAM PA LLCPA0061115PAIndustrial.1 MGDChlorine, total residualmonthly average 0.31 mg/L, tighterDec 1, 20280.04 mg/L (8 values, 1 below detection)0.129×
LAKE ADVENTURE COMM ASSNPA0062839PAIndustrial.16 MGDChlorine, total residualinstantaneous maximum 0.102 mg/L, tighterDec 1, 2028under 3 values—
SCHUYLKILL CNTY MUNI AUTHPA0062529PAIndustrial.164 MGDChlorine, total residualmonthly average 0.049 mg/L, tighterJan 1, 20290.04 mg/L (9 values)0.816×
SCHUYLKILL CNTY MUNI AUTHPA0062529PAIndustrial.164 MGDChlorine, total residualinstantaneous maximum 0.159 mg/L, tighterJan 1, 20290.09 mg/L (9 values)0.566×
PA DPWPA0029432PAIndustrial.395 MGDChlorine, total residualinstantaneous maximum 0.037 mg/L, tighterJan 1, 20290.02 mg/L (9 values)0.541×
PA DCNR PROMISED LAND STATE PARKPA0032123PAIndustrial.2 MGDChlorine, total residualinstantaneous maximum 0.62 mg/L (May–Sep), tighterJan 1, 2029under 3 values—
PA DCNR PROMISED LAND STATE PARKPA0032123PAIndustrial.2 MGDChlorine, total residualmonthly average 0.19 mg/L (May–Sep), tighterJan 1, 2029under 3 values—
MARIAN HIGH SCHPA0061310PAIndustrial.035 MGDChlorine, total residualinstantaneous maximum 1.6 mg/L, tighterMar 1, 20290.9 mg/L (9 values)0.562×
PA AMER WATER COPA0093165PAIndustrial.16 MGDChlorine, total residualinstantaneous maximum 0.02 mg/L, tighterApr 30, 20290.03 mg/L (8 values, 8 below detection)—
PA AMER WATER COPA0093165PAIndustrial.16 MGDChlorine, total residualmonthly average 0.02 mg/L, tighterApr 30, 20290.03 mg/L (8 values, 8 below detection)—
MT JEWETT BORO MCKEAN CNTYPA0023451PASewage plant.5 MGDChlorine, total residualinstantaneous maximum 0.048 mg/L, tighterJun 1, 2029under 3 values—
PINES AT WEST PENN LLCPA0063827PAIndustrial.06 MGDChlorine, total residualmonthly average 0.39 mg/L, tighterJun 1, 20290.12 mg/L (9 values, 9 below detection)—
PARISH MARY ANNPA0034215PAIndustrial.02 MGDChlorine, total residualinstantaneous maximum 0.15 mg/L, tighterJul 1, 2029under 3 values—
PARISH MARY ANNPA0034215PAIndustrial.02 MGDChlorine, total residualmonthly average 0.045 mg/L, tighterJul 1, 2029under 3 values—
PEN ARGYL BORO MUNI AUTH NORTHAMPTON CNTYPA0037052PASewage plant.95 MGDChlorine, total residualinstantaneous maximum 0.071 mg/L, tighterAug 1, 2029under 3 values—
ASHLAND BORO COLUMBIA & SCHUYLKILL CNTYPA0023558PASewage plant, major1.3 MGDChlorine, total residualmonthly average 0.5 mg/L, tighterSep 1, 20290.22 mg/L (9 values)0.44×
ASHLAND BORO COLUMBIA & SCHUYLKILL CNTYPA0023558PASewage plant, major1.3 MGDChlorine, total residualinstantaneous maximum 1.63 mg/L, tighterSep 1, 20290.53 mg/L (9 values)0.325×
RINGTOWN BORO SEW AUTH SCHUYLKILL CNTYPA0043044PASewage plant.125 MGDChlorine, total residualinstantaneous maximum 0.72 mg/L, tighterNov 1, 20290.31 mg/L (9 values)0.431×
RINGTOWN BORO SEW AUTH SCHUYLKILL CNTYPA0043044PASewage plant.125 MGDChlorine, total residualmonthly average 0.22 mg/L, tighterNov 1, 20290.09 mg/L (9 values, 6 below detection)—
BOYLE PATRICKPA0033316PAIndustrial.013 MGDChlorine, total residualinstantaneous maximum 0.8 mg/L, tighterAug 1, 20300.5 mg/L (9 values)0.625×
CAMP ALBRYOCAPA0035483PAIndustrial.005 MGDChlorine, total residualinstantaneous maximum 0.523 mg/L, tighterMar 1, 2031under 3 values—
CAMP ALBRYOCAPA0035483PAIndustrial.005 MGDChlorine, total residualmonthly average 0.16 mg/L, tighterMar 1, 2031under 3 values—

Each limit is one EPA's ICIS-NPDES file holds on the permit's current version with a begin date after today, enforceable and numeric, either on a parameter the outfall was never limited on (new) or lower than the limit in force (tighter). Today's median is the plant's own reported values for the same outfall, statistic and unit between Oct 1, 2025 and Sep 30, 2026, with how many; none is shown where most were below a detection limit. Read the permit before relying on a value.

Sell to these plants? The list for your states every week, with every plant over a limit on your pollutant, as a spreadsheet, by API and by email when a new one appears: ask for the plant list, or write to info@passage-data.com. What a seller gets.

For programs and AI agents: a state's permits with these limits as JSON at /api/v1/permits?state=PA&upcoming=true, narrowed with &facility_type=potw or &min_flow_mgd=1; the whole list at /dmr/data/upcoming.json; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states