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Plants facing new discharge limits — by state and pollutant

for Selenium, total [as Se]: 20 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 (67 limits); 4 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: PA 10 · TX 3 · IA 2 · OK 2 · OH 1 · SC 1 · UT 1

By pollutant: all · Nitrogen, ammonia total [as N] 526 · Chlorine, total residual 272 · Phosphorus, total [as P] 106 · E. coli 103 · Copper, total [as Cu] 85 · Copper, total recoverable 63 · Solids, total suspended 60 · Chloride [as Cl] 56 · BOD, carbonaceous [5 day, 20 C] 48 · Zinc, total [as Zn] 39 · Zinc, total recoverable 36 · BOD, 5-day, 20 deg. C 35 · pH 31 · Cyanide, free available 30 · Nitrogen, total [as N] 28 · Iron, total [as Fe] 22 · Mercury, total [as Hg] 22 · Toxicity [acute], Ceriodaphnia dubia 22 · Toxicity [acute], Pimephales promelas [Fathead Minnow] 21 · Selenium, total [as Se] 20 · Di[2-ethylhexyl] phthalate [DEHP] 19 · E. coli, MTEC-MF 19 · Mercury, total low level 19 · Toxicity [chronic], Ceriodaphnia dubia 18 · Toxicity [chronic], Pimephales promelas [Fathead Minnow] 18

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×
Cherokee Utilities AuthorityOK0045055OKIndustrial.135 MGDSelenium, total [as Se]monthly average 15.11 ug/L, newJul 1, 202724 ug/L (11 values)1.59×
Cherokee Utilities AuthorityOK0045055OKIndustrial.135 MGDSelenium, total [as Se]monthly average 0.016 lb/d, newJul 1, 20270.022 lb/d (11 values)1.38×
Cherokee Utilities AuthorityOK0045055OKIndustrial.135 MGDSelenium, total [as Se]daily maximum 21.65 ug/L, newJul 1, 202725.2 ug/L (11 values)1.16×
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×
TWU-WHOLESALE SERVICES INCTX0136590TXIndustrial.55 MGDSelenium, total [as Se]daily average 0.0168 mg/L, newMay 1, 20290.03059 mg/L (4 values)1.82×
TWU-WHOLESALE SERVICES INCTX0136590TXIndustrial.55 MGDSelenium, total [as Se]daily maximum 0.0356 mg/L, newMay 1, 20290.0375 mg/L (4 values)1.05×
HOMER CITY GENERATION LPPA0005037PAIndustrial, major20.541 MGDSelenium, total [as Se]daily maximum 0.01 mg/L, tighterDec 1, 2026under 3 values—
PAYSON CITY CORPUT0020427UTSewage plant, major3 MGDSelenium, total [as Se]maximum monthly average 0.0055 mg/L, tighterJan 1, 20270.001055 mg/L (11 values)0.192×
PAYSON CITY CORPUT0020427UTSewage plant, major3 MGDSelenium, total [as Se]daily maximum 0.0121 mg/L, tighterJan 1, 20270.00118 mg/L (14 values)0.0975×
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—
City of CelinaOH0020320OHSewage plant, major3 MGDSelenium, total [as Se]daily maximum 62 ug/L, newApr 1, 2027under 3 values—
City of CelinaOH0020320OHSewage plant, major3 MGDSelenium, total [as Se]daily maximum 0.7 kg/d, newApr 1, 2027under 3 values—
City of CelinaOH0020320OHSewage plant, major3 MGDSelenium, total [as Se]monthly average 0.057 kg/d, newApr 1, 2027under 3 values—
City of CelinaOH0020320OHSewage plant, major3 MGDSelenium, total [as Se]monthly average 5 ug/L, newApr 1, 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)—
CITY OF CARROLLIA0021377IASewage plant, major6.3 MGDSelenium, total [as Se]30-day average 0.005 mg/L, newAug 1, 2027under 3 values—
CITY OF CARROLLIA0021377IASewage plant, major6.3 MGDSelenium, total [as Se]30-day average 0.1751 lb/d, newAug 1, 2027under 3 values—
CITY OF CARROLLIA0021377IASewage plant, major6.3 MGDSelenium, total [as Se]daily maximum 0.0193 mg/L, newAug 1, 2027under 3 values—
CITY OF CARROLLIA0021377IASewage plant, major6.3 MGDSelenium, total [as Se]daily maximum 0.676 lb/d, newAug 1, 2027under 3 values—
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×
BEAUFORT JASPER WATER & SEWER AUTHORITYSC0047279SCSewage plant, major7.5 MGDSelenium, total [as Se]daily maximum 0.02 mg/L, newJan 1, 20280 mg/L (11 values, 1 below detection)0×
BEAUFORT JASPER WATER & SEWER AUTHORITYSC0047279SCSewage plant, major7.5 MGDSelenium, total [as Se]daily maximum 1.5 lb/d, newJan 1, 20280 lb/d (11 values)0×
BEAUFORT JASPER WATER & SEWER AUTHORITYSC0047279SCSewage plant, major7.5 MGDSelenium, total [as Se]monthly average 0.005 mg/L, newJan 1, 20280 mg/L (11 values, 1 below detection)0×
BEAUFORT JASPER WATER & SEWER AUTHORITYSC0047279SCSewage plant, major7.5 MGDSelenium, total [as Se]monthly average 0.38 lb/d, newJan 1, 20280 lb/d (11 values)0×
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)—
BEAUFORT JASPER WATER & SEWER AUTHORITYSC0047279SCSewage plant, major7.5 MGDSelenium, total [as Se]daily maximum 1.9 lb/d, newJun 1, 20280 lb/d (11 values)0×
BEAUFORT JASPER WATER & SEWER AUTHORITYSC0047279SCSewage plant, major7.5 MGDSelenium, total [as Se]daily maximum 0.02 mg/L, newJun 1, 20280 mg/L (11 values, 1 below detection)0×
BEAUFORT JASPER WATER & SEWER AUTHORITYSC0047279SCSewage plant, major7.5 MGDSelenium, total [as Se]monthly average 0.47 lb/d, newJun 1, 20280 lb/d (11 values)0×
BEAUFORT JASPER WATER & SEWER AUTHORITYSC0047279SCSewage plant, major7.5 MGDSelenium, total [as Se]monthly average 0.005 mg/L, newJun 1, 20280 mg/L (11 values, 1 below detection)0×
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)—
MUSCATINE POWER AND WATERIA0001082IAIndustrial, major—Selenium, total [as Se]daily maximum 0.01 mg/L, newJan 1, 2029under 3 values—
Phillips 66 Company-Ponca City RefineryOK0000256OKIndustrial, major—Selenium, total [as Se]daily maximum 8.3 ug/L, newFeb 1, 20292.75 ug/L (4 values)0.331×
Phillips 66 Company-Ponca City RefineryOK0000256OKIndustrial, major—Selenium, total [as Se]monthly average 4.7 ug/L, newFeb 1, 20292.6 ug/L (4 values, 2 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×
EL PASO AND HUDSPETH COUNTIES REGIONAL WATER SUPPLY CORPORATION+TX0139459TXIndustrial.05 MGDSelenium, total [as Se]daily average 0.0168 mg/L, tighterSep 1, 2029under 3 values—
EL PASO AND HUDSPETH COUNTIES REGIONAL WATER SUPPLY CORPORATION+TX0139459TXIndustrial.05 MGDSelenium, total [as Se]daily maximum 0.0356 mg/L, tighterSep 1, 2029under 3 values—
KENEDY, CITY OFTX0117650TXIndustrial.9 MGDSelenium, total [as Se]daily average 0.00565 mg/L, tighterSep 1, 2029under 3 values—
KENEDY, CITY OFTX0117650TXIndustrial.9 MGDSelenium, total [as Se]daily maximum 0.0119 mg/L, tighterSep 1, 2029under 3 values—
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=OH&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