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Plants facing new discharge limits — by state and pollutant

for Chlorine produced oxidants: 10 plants hold a permit with a new or tighter discharge limit already written into it, taking effect between Apr 1, 2027 and Jan 1, 2030 (24 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: NJ 9 · VA 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
CAMDEN CNTY MUANJ0026182NJSewage plant, major185 MGDChlorine produced oxidantsmonthly average 0.04 mg/L, newJan 1, 20280.64 mg/L (9 values)16×
CAMDEN CNTY MUANJ0026182NJSewage plant, major185 MGDChlorine produced oxidantsdaily maximum 0.07 mg/L, newJan 1, 20280.82 mg/L (9 values)11.7×
MOUNT OLIVE TWPNJ0021954NJSewage plant.5 MGDChlorine produced oxidantsdaily maximum 0.03 mg/L, tighterJan 1, 20280.035 mg/L (8 values)1.17×
REGENCY @ SUSSEX APARTMENT LLCNJ0029041NJIndustrial.08 MGDChlorine produced oxidantsdaily maximum 0.02 mg/L, tighterApr 1, 20270.01 mg/L (10 values, 10 below detection)—
REGENCY @ SUSSEX APARTMENT LLCNJ0029041NJIndustrial.08 MGDChlorine produced oxidantsdaily maximum 0.006 kg/d, tighterApr 1, 20270.0004 kg/d (10 values, 10 below detection)—
BRISTOL MYERS SQUIBB CONJ0027618NJIndustrial—Chlorine produced oxidantsdaily maximum 0.009 kg/d, newJul 1, 20270.00215 kg/d (4 values, 1 below detection)0.239×
BRISTOL MYERS SQUIBB CONJ0027618NJIndustrial—Chlorine produced oxidantsmonthly average 0.009 kg/d, newJul 1, 20270.00215 kg/d (4 values, 1 below detection)0.239×
BRISTOL MYERS SQUIBB CONJ0027618NJIndustrial—Chlorine produced oxidantsdaily maximum 0.02 mg/L, newJul 1, 20270.03 mg/L (4 values, 2 below detection)—
BRISTOL MYERS SQUIBB CONJ0027618NJIndustrial—Chlorine produced oxidantsmonthly average 0.02 mg/L, newJul 1, 20270.03 mg/L (4 values, 2 below detection)—
PENNSVILLE TWP SEWERAGE AUTHNJ0021598NJSewage plant, major1.875 MGDChlorine produced oxidantsdaily maximum 0.23 mg/L, tighterOct 1, 20270.075 mg/L (10 values)0.326×
DUPONT SPECIALTY PRODUCTS USA LLCNJ0000159NJIndustrial3 MGDChlorine produced oxidantsdaily maximum 0.02 mg/L, tighterDec 1, 20270.02 mg/L (5 values, 1 below detection)1×
DUPONT SPECIALTY PRODUCTS USA LLCNJ0000159NJIndustrial3 MGDChlorine produced oxidantsdaily maximum 0.02 mg/L, tighterDec 1, 20270.05 mg/L (10 values, 5 below detection)—
MADISON CHATHAM JOINT MEETINGNJ0024937NJSewage plant, major3.5 MGDChlorine produced oxidantsdaily maximum 0.03 mg/L, tighterJan 1, 20280.025 mg/L (10 values)0.833×
MOUNT OLIVE TWPNJ0021954NJSewage plant.5 MGDChlorine produced oxidantsdaily maximum 0.06 kg/d, tighterJan 1, 20280.04 kg/d (8 values)0.667×
MOUNT OLIVE TWPNJ0021954NJSewage plant.5 MGDChlorine produced oxidantsmonthly average 0.02 mg/L, tighterJan 1, 20280.01 mg/L (8 values)0.5×
MADISON CHATHAM JOINT MEETINGNJ0024937NJSewage plant, major3.5 MGDChlorine produced oxidantsdaily maximum 0.4 kg/d, tighterJan 1, 20280.185 kg/d (10 values)0.462×
OWENS CORNING KEARNEY PLANTNJ0035025NJIndustrial—Chlorine produced oxidantsdaily maximum 0.02 mg/L, newJan 1, 20280.02 mg/L (10 values, 10 below detection)—
OWENS CORNING KEARNEY PLANTNJ0035025NJIndustrial—Chlorine produced oxidantsmonthly average 0.02 mg/L, newJan 1, 20280.02 mg/L (10 values, 10 below detection)—
JOINT MEETING OF ESSEX CNTY & UNION CNTYNJ0024741NJSewage plant, major220 MGDChlorine produced oxidantsdaily maximum 24.9 kg/d, tighterApr 1, 202828.4 kg/d (10 values, 10 below detection)—
JOINT MEETING OF ESSEX CNTY & UNION CNTYNJ0024741NJSewage plant, major220 MGDChlorine produced oxidantsdaily maximum 0.088 mg/L, tighterApr 1, 20280.1 mg/L (10 values, 10 below detection)—
JOINT MEETING OF ESSEX CNTY & UNION CNTYNJ0024741NJSewage plant, major220 MGDChlorine produced oxidantsmonthly average 8.8 kg/d, tighterApr 1, 202828.4 kg/d (10 values, 10 below detection)—
JOINT MEETING OF ESSEX CNTY & UNION CNTYNJ0024741NJSewage plant, major220 MGDChlorine produced oxidantsmonthly average 0.031 mg/L, tighterApr 1, 20280.1 mg/L (10 values, 10 below detection)—
National Aeronautics and Space Administration (NASA)VA0024741VAFederal—Chlorine produced oxidantsmaximum 0.0075 mg/L, newJan 1, 2030under 3 values—
National Aeronautics and Space Administration (NASA)VA0024741VAFederal—Chlorine produced oxidantsmaximum 0.0075 mg/L, newJan 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