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Plants facing new discharge limits — by state and pollutant

for Zinc, total recoverable: 36 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 (72 limits); 9 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 10 · VA 7 · IN 5 · NJ 5 · WV 4 · AR 2 · CA 1 · ID 1 · MO 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
HUDSON CNTY BD OF CHOSEN FREEHOLDERSNJ0023566NJSewage plant.75 MGDZinc, total recoverablemonthly average 56.1 ug/L, tighterDec 1, 2026114.5 ug/L (10 values)2.04×
TA OPERATING LLCWV0115673WVIndustrial—Zinc, total recoverabledaily maximum 0.12 mg/L, newFeb 1, 20270.175 mg/L (3 values)1.46×
Lanxess Corporation - Central PlantAR0001171ARIndustrial, major—Zinc, total recoverablemonthly average 115.62 ug/L, newJul 1, 2027150 ug/L (9 values)1.3×
CHEMSTREAM, INCWV0117269WVIndustrial—Zinc, total recoverabledaily maximum 0.12 mg/L, newOct 1, 20270.37 mg/L (3 values)3.08×
Thomas Steel Strip CorporationOH0011363OHIndustrial, major—Zinc, total recoverabledaily maximum 330 ug/L, newJan 1, 2028633 ug/L (11 values)1.92×
PVS - NOLWOOD CHEMICALS, INC.WV0117153WVIndustrial—Zinc, total recoverabledaily maximum 0.12 mg/L, newJun 1, 20280.615 mg/L (3 values)5.12×
Lyon Shipyard & Fabrication, LLCVA0089168VAIndustrial—Zinc, total recoverablemaximum 130 ug/L, newApr 1, 2029533 ug/L (3 values)4.1×
Metro Machine Corp.VA0073091VAIndustrial—Zinc, total recoverablemaximum 180 ug/L, newJul 1, 20291220 ug/L (3 values)6.78×
SOUTH FORK COEUR D ALENE RIVER SEWER DISTRICTID0021300IDSewage plant, major4.3 MGDZinc, total recoverablemonthly average 3.8 lb/d, tighterJan 1, 20355.33 lb/d (11 values)1.4×
USDOD LAKEHURST NAVAL AIR ENGINEERING STATIONNJ0004642NJFederal—Zinc, total recoverabledaily maximum 120 ug/L, newNov 1, 202640 ug/L (10 values, 8 below detection)—
USDOD LAKEHURST NAVAL AIR ENGINEERING STATIONNJ0004642NJFederal—Zinc, total recoverabledaily maximum 12.7 g/d, newNov 1, 20266.478 g/d (10 values, 8 below detection)—
USDOD LAKEHURST NAVAL AIR ENGINEERING STATIONNJ0004642NJFederal—Zinc, total recoverablemonthly average 7.7 g/d, newNov 1, 20266.478 g/d (10 values, 8 below detection)—
USDOD LAKEHURST NAVAL AIR ENGINEERING STATIONNJ0004642NJFederal—Zinc, total recoverablemonthly average 73 ug/L, newNov 1, 202640 ug/L (10 values, 8 below detection)—
HUDSON CNTY BD OF CHOSEN FREEHOLDERSNJ0023566NJSewage plant.75 MGDZinc, total recoverablemonthly average 159.2 g/d, tighterDec 1, 20260.0307 g/d (10 values)0.000193×
REGENCY @ SUSSEX APARTMENT LLCNJ0029041NJIndustrial.08 MGDZinc, total recoverablemonthly average 72 ug/L, newApr 1, 202742.4 ug/L (10 values, 1 below detection)0.589×
REGENCY @ SUSSEX APARTMENT LLCNJ0029041NJIndustrial.08 MGDZinc, total recoverabledaily maximum 120 ug/L, newApr 1, 202742.4 ug/L (10 values, 1 below detection)0.353×
TimkenSteel Corp. - Canton WWTPOH0004219OHIndustrial, major—Zinc, total recoverabledaily maximum 342 ug/L, tighterApr 1, 202793 ug/L (11 values)0.272×
TimkenSteel Corp. - Canton WWTPOH0004219OHIndustrial, major—Zinc, total recoverabledaily maximum 4.53 kg/d, tighterApr 1, 20270.8 kg/d (11 values)0.177×
REGENCY @ SUSSEX APARTMENT LLCNJ0029041NJIndustrial.08 MGDZinc, total recoverablemonthly average 22 g/d, newApr 1, 20272.05 g/d (10 values, 1 below detection)0.0932×
REGENCY @ SUSSEX APARTMENT LLCNJ0029041NJIndustrial.08 MGDZinc, total recoverabledaily maximum 36.3 g/d, newApr 1, 20272.05 g/d (10 values, 1 below detection)0.0565×
Botkins,Village OfOH0022217OHSewage plant.5 MGDZinc, total recoverabledaily maximum 653 ug/L, newApr 1, 202718 ug/L (11 values)0.0276×
Botkins,Village OfOH0022217OHSewage plant.5 MGDZinc, total recoverabledaily maximum 1.2 kg/d, newApr 1, 2027under 3 values—
Eaton Homes WWTPOH0026140OHSewage plant.2 MGDZinc, total recoverabledaily maximum 0.18 kg/d (Jun, Dec), newMay 1, 2027under 3 values—
Eaton Homes WWTPOH0026140OHSewage plant.2 MGDZinc, total recoverabledaily maximum 240 ug/L (Jun, Dec), newMay 1, 2027under 3 values—
Eaton Homes WWTPOH0026140OHSewage plant.2 MGDZinc, total recoverablemonthly average 240 ug/L (Jun, Dec), newMay 1, 2027under 3 values—
Eaton Homes WWTPOH0026140OHSewage plant.2 MGDZinc, total recoverablemonthly average 0.18 kg/d (Jun, Dec), newMay 1, 2027under 3 values—
Lanxess Corporation - Central PlantAR0001171ARIndustrial, major—Zinc, total recoverabledaily maximum 231.99 ug/L, newJul 1, 2027150 ug/L (9 values)0.647×
Republic Steel - Lorain PlantOH0001562OHIndustrial, major—Zinc, total recoverablemonthly average 557 ug/L, newAug 1, 2027167 ug/L (10 values)0.3×
Republic Steel - Lorain PlantOH0001562OHIndustrial, major—Zinc, total recoverabledaily maximum 564 ug/L, newAug 1, 2027167 ug/L (10 values)0.296×
King George County Service AuthorityVA0070106VASewage plant.12 MGDZinc, total recoverablemonthly average 48 ug/L, newAug 1, 2027under 3 values—
King George County Service AuthorityVA0070106VASewage plant.12 MGDZinc, total recoverableweekly average 48 ug/L, newAug 1, 2027under 3 values—
CHEMSTREAM, INCWV0117269WVIndustrial—Zinc, total recoverabledaily maximum 0.12 mg/L, newOct 1, 20270.12 mg/L (3 values)1×
CHEMSTREAM, INCWV0117269WVIndustrial—Zinc, total recoverabledaily maximum 0.12 mg/L, newOct 1, 20270.043 mg/L (3 values)0.358×
State of California Department of Parks and RecreationCA0085332CAIndustrial—Zinc, total recoverablemonthly average 18 ug/L, tighterOct 13, 20277.8 ug/L (4 values)0.433×
State of California Department of Parks and RecreationCA0085332CAIndustrial—Zinc, total recoverabledaily maximum 38 ug/L, tighterOct 13, 20277.8 ug/L (4 values)0.205×
KOUTS MUNICIPAL WWTPIN0023400INSewage plant.33 MGDZinc, total recoverablemonthly average 0.34 mg/L, newNov 1, 20270.0725 mg/L (10 values)0.213×
KOUTS MUNICIPAL WWTPIN0023400INSewage plant.33 MGDZinc, total recoverabledaily maximum 0.67 mg/L, newNov 1, 20270.069 mg/L (10 values)0.103×
CROTHERSVILLE WWTPIN0022683INSewage plant.47 MGDZinc, total recoverabledaily maximum 0.29 mg/L, newNov 1, 20270.027 mg/L (11 values)0.0931×
CROTHERSVILLE WWTPIN0022683INSewage plant.47 MGDZinc, total recoverablemonthly average 0.14 mg/L, newNov 1, 2027under 3 values—
King George County Service AuthorityVA0089338VASewage plant.375 MGDZinc, total recoverablemonthly average 109 ug/L, newNov 1, 2027under 3 values—
King George County Service AuthorityVA0089338VASewage plant.375 MGDZinc, total recoverableweekly average 109 ug/L, newNov 1, 2027under 3 values—
APPALACHIAN POWER COMPANYWV0078867WVIndustrial.933 MGDZinc, total recoverablemonthly average 0.072 mg/L, newDec 1, 20270.0242 mg/L (9 values)0.336×
APPALACHIAN POWER COMPANYWV0078867WVIndustrial.933 MGDZinc, total recoverabledaily maximum 0.249 mg/L, newDec 1, 20270.0242 mg/L (9 values)0.0972×
Thomas Steel Strip CorporationOH0011363OHIndustrial, major—Zinc, total recoverabledaily maximum 1.34 kg/d, newJan 1, 2028under 3 values—
RELIABLE PAPER RECYCLINGNJ0246611NJIndustrial—Zinc, total recoverabledaily maximum 90 ug/L, newMar 1, 2028under 3 values—
RELIABLE PAPER RECYCLINGNJ0246611NJIndustrial—Zinc, total recoverabledaily maximum 90 ug/L, newMar 1, 2028under 3 values—
RELIABLE PAPER RECYCLINGNJ0246611NJIndustrial—Zinc, total recoverabledaily maximum 90 ug/L, newMar 1, 2028under 3 values—
Wieland ChaseOH0002941OHIndustrial—Zinc, total recoverabledaily maximum 480 ug/L, newApr 1, 2028135 ug/L (11 values)0.281×
Morral Companies, LLCOH0143839OHIndustrial—Zinc, total recoverabledaily maximum 300 ug/L, newMay 1, 2028under 3 values—
IPALCO - PETERSBURG GEN STATIONIN0002887INIndustrial, major340 MGDZinc, total recoverablemonthly average 0.23 mg/L, newJun 1, 20280.02 mg/L (11 values)0.087×
IPALCO - PETERSBURG GEN STATIONIN0002887INIndustrial, major340 MGDZinc, total recoverabledaily maximum 0.4 mg/L, newJun 1, 20280.02 mg/L (11 values)0.05×
City of SteelvilleMO0095567MOSewage plant—Zinc, total recoverabledaily maximum 225.8 ug/L, newAug 1, 2028under 3 values—
City of SteelvilleMO0095567MOSewage plant—Zinc, total recoverablemonthly average 101.1 ug/L, newAug 1, 2028under 3 values—
DUKE ENERGY INDIANA CAYUGA GENERATING STATIONIN0002763INIndustrial, major—Zinc, total recoverabledaily maximum 0.43 mg/L, newNov 1, 20280.149 mg/L (9 values)0.347×
Zimmer Power Company LLCOH0048836OHIndustrial, major—Zinc, total recoverabledaily maximum 270 ug/L, newDec 1, 202882 ug/L (8 values)0.304×
INSERRA WEST MILFORD LLCNJ0024414NJIndustrial—Zinc, total recoverablemonthly average 66.39 ug/L, tighterJan 1, 202947.45 ug/L (10 values)0.715×
INSERRA WEST MILFORD LLCNJ0024414NJIndustrial—Zinc, total recoverabledaily maximum 119.82 ug/L, tighterJan 1, 202947.45 ug/L (10 values)0.396×
INSERRA WEST MILFORD LLCNJ0024414NJIndustrial—Zinc, total recoverablemonthly average 5.03 g/d, tighterJan 1, 20290.265 g/d (10 values)0.0527×
INSERRA WEST MILFORD LLCNJ0024414NJIndustrial—Zinc, total recoverabledaily maximum 9.07 g/d, tighterJan 1, 20290.265 g/d (10 values)0.0292×
Cleveland-Cliffs Cleveland Works LLCOH0000957OHIndustrial, major—Zinc, total recoverabledaily maximum 720 ug/L, newMar 1, 202926.7 ug/L (6 values)0.0371×
Hope, City of - Bois D'Arc WWTPAR0038466ARSewage plant, major1.2 MGDZinc, total recoverable7-day average 193 ug/L, tighterMar 1, 2029under 3 values—
Hope, City of - Bois D'Arc WWTPAR0038466ARSewage plant, major1.2 MGDZinc, total recoverablemonthly average 0.96 lb/d, tighterMar 1, 2029under 3 values—
Hope, City of - Bois D'Arc WWTPAR0038466ARSewage plant, major1.2 MGDZinc, total recoverablemonthly average 96.4 ug/L, tighterMar 1, 2029under 3 values—
NEW CASTLE WWTPIN0023914INSewage plant, major10 MGDZinc, total recoverabledaily maximum 0.67 mg/L, newAug 1, 20290.00815 mg/L (4 values)0.0122×
NEW CASTLE WWTPIN0023914INSewage plant, major10 MGDZinc, total recoverablemonthly average 0.34 mg/L, newAug 1, 2029under 3 values—
JSW Steel USA Ohio, Inc.OH0011355OHIndustrial, major—Zinc, total recoverabledaily maximum 380 ug/L (Mar, Jun, Sep, Dec), newSep 1, 202938 ug/L (3 values)0.1×
Colonna's Ship Yard, IncorporatedVA0053813VAIndustrial—Zinc, total recoverablemaximum 130.2 ug/L, newDec 1, 202959 ug/L (11 values)0.453×
National Aeronautics and Space Administration (NASA)VA0024741VAFederal—Zinc, total recoverablemaximum 81 ug/L, newJan 1, 2030under 3 values—
National Aeronautics and Space Administration (NASA)VA0024741VAFederal—Zinc, total recoverablemaximum 81 ug/L, newJan 1, 2030under 3 values—
U.S. NavyVA0079928VAIndustrial—Zinc, total recoverablemaximum 130 ug/L, newOct 1, 2030under 3 values—
U.S. NavyVA0079928VAIndustrial—Zinc, total recoverablemaximum 130 ug/L, newOct 1, 2030under 3 values—
U.S. NavyVA0079928VAIndustrial—Zinc, total recoverablemaximum 130 ug/L, newOct 1, 2030under 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