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Plants facing new discharge limits — by state and pollutant

In Pennsylvania, for Selenium, total [as Se]: 10 plants hold a permit with a new or tighter discharge limit already written into it, taking effect between Dec 1, 2026 and Jul 1, 2030 (37 limits); 2 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 · PA 10 · TX 3 · IA 2 · OK 2 · OH 1 · SC 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
LAWRENCEVILLE ACQUISITION COMPANY, LLCPA0255840PAIndustrial.277 MGDSelenium, total [as Se]monthly average 0.005 mg/L, newMay 1, 20270.0142 mg/L (9 values, 4 below detection)2.84×
LAWRENCEVILLE ACQUISITION COMPANY, LLCPA0255840PAIndustrial.277 MGDSelenium, total [as Se]daily maximum 0.0078 mg/L, newMay 1, 20270.0178 mg/L (9 values, 4 below detection)2.28×
PA AMER WATER COPA0060097PAIndustrial, major1.25 MGDSelenium, total [as Se]monthly average 0.06 lb/d, newMar 1, 20287.01 lb/d (9 values, 4 below detection)117×
PA AMER WATER COPA0060097PAIndustrial, major1.25 MGDSelenium, total [as Se]daily maximum 0.083 lb/d, newMar 1, 20287.01 lb/d (9 values, 4 below detection)84.5×
HOMER CITY GENERATION LPPA0005037PAIndustrial, major20.541 MGDSelenium, total [as Se]daily maximum 0.01 mg/L, tighterDec 1, 2026under 3 values—
LCT ENERGY LPPA0269174PAIndustrial—Selenium, total [as Se]daily maximum 9.2 ug/L, newFeb 28, 2027under 3 values—
LCT ENERGY LPPA0269174PAIndustrial—Selenium, total [as Se]instantaneous maximum 14.7 ug/L, newFeb 28, 2027under 3 values—
LCT ENERGY LPPA0269174PAIndustrial—Selenium, total [as Se]monthly average 5.8 ug/L, newFeb 28, 2027under 3 values—
LCT ENERGY LPPA0269174PAIndustrial—Selenium, total [as Se]daily maximum 9.2 ug/L, newFeb 28, 2027under 3 values—
LCT ENERGY LPPA0269174PAIndustrial—Selenium, total [as Se]instantaneous maximum 14.7 ug/L, newFeb 28, 2027under 3 values—
LCT ENERGY LPPA0269174PAIndustrial—Selenium, total [as Se]monthly average 5.8 ug/L, newFeb 28, 2027under 3 values—
REPUBLIC SVC OF PA LLCPA0046680PAIndustrial.5 MGDSelenium, total [as Se]daily maximum 0.088 lb/d, newJul 1, 2027under 3 values—
REPUBLIC SVC OF PA LLCPA0046680PAIndustrial.5 MGDSelenium, total [as Se]daily maximum 0.021 mg/L, newJul 1, 20270.01 mg/L (9 values, 8 below detection)—
REPUBLIC SVC OF PA LLCPA0046680PAIndustrial.5 MGDSelenium, total [as Se]monthly average 0.054 lb/d, newJul 1, 2027under 3 values—
REPUBLIC SVC OF PA LLCPA0046680PAIndustrial.5 MGDSelenium, total [as Se]monthly average 0.013 mg/L, newJul 1, 20270.01 mg/L (9 values, 8 below detection)—
TMS INTL LLCPA0253553PAIndustrial.05 MGDSelenium, total [as Se]monthly average 5.09 ug/L, newSep 1, 20274.32 ug/L (9 values, 2 below detection)0.849×
TMS INTL LLCPA0253553PAIndustrial.05 MGDSelenium, total [as Se]daily maximum 7.95 ug/L, newSep 1, 20274.54 ug/L (9 values, 1 below detection)0.571×
CONEMAUGH TWP SOMERSET CNTYPA0216399PAIndustrial.643 MGDSelenium, total [as Se]daily maximum 8.74 ug/L, newJan 1, 2028under 3 values—
CONEMAUGH TWP SOMERSET CNTYPA0216399PAIndustrial.643 MGDSelenium, total [as Se]monthly average 5.6 ug/L, newJan 1, 2028under 3 values—
LBR ACQUISITION CO LLCPA0027481PAIndustrial, major3.715 MGDSelenium, total [as Se]daily maximum 0.01 mg/L, newMar 1, 20280.00499 mg/L (9 values, 9 below detection)—
LBR ACQUISITION CO LLCPA0027481PAIndustrial, major3.715 MGDSelenium, total [as Se]monthly average 0.005 mg/L, newMar 1, 20280.00499 mg/L (9 values, 9 below detection)—
LBR ACQUISITION CO LLCPA0027481PAIndustrial, major3.715 MGDSelenium, total [as Se]daily maximum 0.008 mg/L, newMar 1, 20280.00499 mg/L (3 values, 3 below detection)—
LBR ACQUISITION CO LLCPA0027481PAIndustrial, major3.715 MGDSelenium, total [as Se]quarterly average 0.005 mg/L, newMar 1, 20280.00499 mg/L (3 values, 3 below detection)—
LBR ACQUISITION CO LLCPA0027481PAIndustrial, major3.715 MGDSelenium, total [as Se]daily maximum 0.01 mg/L, newMar 1, 20280.00499 mg/L (9 values, 9 below detection)—
LBR ACQUISITION CO LLCPA0027481PAIndustrial, major3.715 MGDSelenium, total [as Se]monthly average 0.005 mg/L, newMar 1, 20280.00499 mg/L (9 values, 9 below detection)—
LBR ACQUISITION CO LLCPA0027481PAIndustrial, major3.715 MGDSelenium, total [as Se]daily maximum 0.01 mg/L, newMar 1, 20280.00499 mg/L (9 values, 9 below detection)—
LBR ACQUISITION CO LLCPA0027481PAIndustrial, major3.715 MGDSelenium, total [as Se]monthly average 0.005 mg/L, newMar 1, 20280.00499 mg/L (9 values, 9 below detection)—
PA AMER WATER COPA0060097PAIndustrial, major1.25 MGDSelenium, total [as Se]daily maximum 0.008 mg/L, newMar 1, 20280.002 mg/L (9 values, 9 below detection)—
PA AMER WATER COPA0060097PAIndustrial, major1.25 MGDSelenium, total [as Se]monthly average 0.006 mg/L, newMar 1, 20280.002 mg/L (9 values, 9 below detection)—
EBARA ELLIOTT ENERGYPA0095176PAIndustrial.244 MGDSelenium, total [as Se]daily maximum 11.6 ug/L, newAug 1, 20282.5 ug/L (9 values, 9 below detection)—
EBARA ELLIOTT ENERGYPA0095176PAIndustrial.244 MGDSelenium, total [as Se]monthly average 7.41 ug/L, newAug 1, 20282.5 ug/L (9 values, 8 below detection)—
WOODGRAIN INCPA0209457PAIndustrial.06 MGDSelenium, total [as Se]daily maximum 0.005 lb/d, newAug 1, 20290.0005 lb/d (9 values, 1 below detection)0.1×
WOODGRAIN INCPA0209457PAIndustrial.06 MGDSelenium, total [as Se]monthly average 0.003 lb/d, newAug 1, 20290.0003 lb/d (9 values, 1 below detection)0.1×
WOODGRAIN INCPA0209457PAIndustrial.06 MGDSelenium, total [as Se]monthly average 14.6 ug/L, newAug 1, 20291.3 ug/L (9 values, 1 below detection)0.089×
WOODGRAIN INCPA0209457PAIndustrial.06 MGDSelenium, total [as Se]daily maximum 22.7 ug/L, newAug 1, 20291.5 ug/L (9 values, 1 below detection)0.0661×
EBARA ELLIOTT ENERGYPA0095176PAIndustrial.244 MGDSelenium, total [as Se]daily maximum 11.6 ug/L, newJul 1, 20302.5 ug/L (9 values, 9 below detection)—
EBARA ELLIOTT ENERGYPA0095176PAIndustrial.244 MGDSelenium, total [as Se]monthly average 7.41 ug/L, newJul 1, 20302.5 ug/L (9 values, 8 below detection)—

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