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Plants facing new discharge limits — by state and pollutant

In Ohio, for Cadmium, total recoverable: 6 plants hold a permit with a new or tighter discharge limit already written into it, taking effect between Nov 1, 2026 and May 1, 2029 (24 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: all · OH 6 · IN 2 · ID 1 · OR 1

By pollutant: all · Nitrogen, ammonia total [as N] 40 · Solids, total suspended 23 · BOD, carbonaceous [5 day, 20 C] 20 · Mercury, total low level 19 · E. coli, MTEC-MF 18 · Copper, total recoverable 17 · Cyanide, free available 17 · Chlorine, total residual 16 · pH 15 · Phosphorus, total [as P] 12 · Toxicity [acute], Ceriodaphnia dubia 12 · Solids, total dissolved- 180 deg. C 11 · Toxicity [acute], Pimephales promelas [Fathead Minnow] 11 · Toxicity [chronic], Pimephales promelas [Fathead Minnow] 10 · Zinc, total recoverable 10 · Toxicity [chronic], Ceriodaphnia dubia 9 · Selenium, total recoverable 8 · Chromium, hexavalent dissolved [as Cr] 7 · Cadmium, total recoverable 6 · Di[2-ethylhexyl] phthalate [DEHP] 6 · Lead, total recoverable 6 · Silver total recoverable 4 · Carcinogen additivity factor 2 · Nitrogen, inorganic total 2 · Oil and grease, hexane extr method 2

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—
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—
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—

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