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Plants facing new discharge limits — by state and pollutant

for Cadmium, total recoverable: 10 plants hold a permit with a new or tighter discharge limit already written into it, taking effect between Nov 1, 2026 and Jan 1, 2035 (36 limits); 0 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: OH 6 · IN 2 · ID 1 · OR 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
Youngstown, City ofOH0028223OHSewage plant, major35 MGDCadmium, total recoverabledaily maximum 15 ug/L, newNov 1, 2026under 3 values—
Youngstown, City ofOH0028223OHSewage plant, major35 MGDCadmium, total recoverabledaily maximum 2 kg/d, newNov 1, 2026under 3 values—
Youngstown, City ofOH0028223OHSewage plant, major35 MGDCadmium, total recoverablemonthly average 2.72 ug/L, newNov 1, 2026under 3 values—
Youngstown, City ofOH0028223OHSewage plant, major35 MGDCadmium, total recoverablemonthly average 0.36 kg/d, newNov 1, 2026under 3 values—
City of Wooster-Water Resource RecoveryFacilityOH0028185OHSewage plant, major7.5 MGDCadmium, total recoverablemonthly average 5.8 ug/L, newDec 1, 20260.215 ug/L (4 values)0.0371×
City of Wooster-Water Resource RecoveryFacilityOH0028185OHSewage plant, major7.5 MGDCadmium, total recoverabledaily maximum 14 ug/L, newDec 1, 20260.4 ug/L (4 values)0.0286×
City of Wapakoneta WRFOH0027952OHSewage plant, major6 MGDCadmium, total recoverabledaily maximum 0.59 kg/d, newDec 1, 2026under 3 values—
City of Wapakoneta WRFOH0027952OHSewage plant, major6 MGDCadmium, total recoverabledaily maximum 26 ug/L, newDec 1, 2026under 3 values—
City of Wapakoneta WRFOH0027952OHSewage plant, major6 MGDCadmium, total recoverablemonthly average 0.17 kg/d, newDec 1, 2026under 3 values—
City of Wapakoneta WRFOH0027952OHSewage plant, major6 MGDCadmium, total recoverablemonthly average 7.7 ug/L, newDec 1, 2026under 3 values—
City of Wooster-Water Resource RecoveryFacilityOH0028185OHSewage plant, major7.5 MGDCadmium, total recoverabledaily maximum 0.4 kg/d, newDec 1, 2026under 3 values—
City of Wooster-Water Resource RecoveryFacilityOH0028185OHSewage plant, major7.5 MGDCadmium, total recoverablemonthly average 0.17 kg/d, newDec 1, 2026under 3 values—
GREENFIELD WWTPIN0020109INSewage plant, major8 MGDCadmium, total recoverablemonthly average 0.0016 mg/L, newJan 1, 20270.00005 mg/L (11 values)0.0312×
GREENFIELD WWTPIN0020109INSewage plant, major8 MGDCadmium, total recoverabledaily maximum 0.0032 mg/L, newJan 1, 20270.00005 mg/L (11 values)0.0156×
Washingtonville, Village ofOH0028011OHSewage plant.12 MGDCadmium, total recoverabledaily maximum 0.0086 kg/d (Jun, Dec), newMay 1, 2027under 3 values—
Washingtonville, Village ofOH0028011OHSewage plant.12 MGDCadmium, total recoverabledaily maximum 19 ug/L (Jun, Dec), newMay 1, 2027under 3 values—
Washingtonville, Village ofOH0028011OHSewage plant.12 MGDCadmium, total recoverablemonthly average 16 ug/L (Jun, Dec), newMay 1, 2027under 3 values—
Washingtonville, Village ofOH0028011OHSewage plant.12 MGDCadmium, total recoverablemonthly average 0.0073 kg/d (Jun, Dec), newMay 1, 2027under 3 values—
Boardman WWTPOH0037249OHSewage plant, major5 MGDCadmium, total recoverabledaily maximum 12 ug/L, newDec 1, 2027under 3 values—
Boardman WWTPOH0037249OHSewage plant, major5 MGDCadmium, total recoverabledaily maximum 0.23 kg/d, newDec 1, 2027under 3 values—
Boardman WWTPOH0037249OHSewage plant, major5 MGDCadmium, total recoverablemonthly average 0.1 kg/d, newDec 1, 2027under 3 values—
Boardman WWTPOH0037249OHSewage plant, major5 MGDCadmium, total recoverablemonthly average 5.2 ug/L, newDec 1, 2027under 3 values—
IPALCO - PETERSBURG GEN STATIONIN0002887INIndustrial, major340 MGDCadmium, total recoverablemonthly average 0.0015 mg/L, tighterJun 1, 20280.0002 mg/L (11 values)0.133×
IPALCO - PETERSBURG GEN STATIONIN0002887INIndustrial, major340 MGDCadmium, total recoverabledaily maximum 0.0025 mg/L, tighterJun 1, 20280.0002 mg/L (11 values)0.08×
IPALCO - PETERSBURG GEN STATIONIN0002887INIndustrial, major340 MGDCadmium, total recoverablemonthly average 0.0015 mg/L, tighterJun 1, 20280.0001 mg/L (11 values)0.0667×
IPALCO - PETERSBURG GEN STATIONIN0002887INIndustrial, major340 MGDCadmium, total recoverabledaily maximum 0.0025 mg/L, tighterJun 1, 20280.0001 mg/L (11 values)0.04×
ASC SUNSTONE CIRCUITS LLCOR0031127ORIndustrial—Cadmium, total recoverabledaily maximum 0.011 mg/L, tighterAug 1, 20280.00025 mg/L (11 values, 11 below detection)—
ASC SUNSTONE CIRCUITS LLCOR0031127ORIndustrial—Cadmium, total recoverablemonthly average 0.005 mg/L, tighterAug 1, 20280.00025 mg/L (11 values, 11 below detection)—
Bedford Wastewater Treatment PlantOH0024040OHSewage plant, major3.2 MGDCadmium, total recoverabledaily maximum 10 ug/L, newMay 1, 2029under 3 values—
Bedford Wastewater Treatment PlantOH0024040OHSewage plant, major3.2 MGDCadmium, total recoverabledaily maximum 0.12 kg/d, newMay 1, 2029under 3 values—
Bedford Wastewater Treatment PlantOH0024040OHSewage plant, major3.2 MGDCadmium, total recoverablemonthly average 0.052 kg/d, newMay 1, 2029under 3 values—
Bedford Wastewater Treatment PlantOH0024040OHSewage plant, major3.2 MGDCadmium, total recoverablemonthly average 4.3 ug/L, newMay 1, 2029under 3 values—
SOUTH FORK COEUR D ALENE RIVER SEWER DISTRICTID0021300IDSewage plant, major4.3 MGDCadmium, total recoverablemonthly average 0.73 ug/L, tighterJan 1, 20350.38 ug/L (11 values, 1 below detection)0.521×
SOUTH FORK COEUR D ALENE RIVER SEWER DISTRICTID0021300IDSewage plant, major4.3 MGDCadmium, total recoverablemonthly average 0.026 lb/d, tighterJan 1, 20350.006 lb/d (11 values, 1 below detection)0.231×
SOUTH FORK COEUR D ALENE RIVER SEWER DISTRICTID0021300IDSewage plant, major4.3 MGDCadmium, total recoverabledaily maximum 1.7 ug/L, tighterJan 1, 20350.38 ug/L (11 values, 1 below detection)0.224×
SOUTH FORK COEUR D ALENE RIVER SEWER DISTRICTID0021300IDSewage plant, major4.3 MGDCadmium, total recoverabledaily maximum 0.06 lb/d, tighterJan 1, 20350.006 lb/d (11 values, 1 below detection)0.1×

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