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Clean Water Act discharge permit · NPDES MO0139947

MISSOURI AND NORTHERN ARKANSAS RAILROAD, Carthage, MO: NPDES MO0139947 discharge permit, effluent exceedances, inspections, penalties

MISSOURI AND NORTHERN ARKANSAS RAILROAD, held by Missouri and Northern Arkansas Railroad, holds NPDES permit MO0139947, which discharges to Tributary To Spring R.. EPA’s file records it issued September 1, 2023 and expiring August 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMISSOURI AND NORTHERN ARKANSAS RAILROAD
Permittee as filedMissouri and Northern Arkansas Railroad
NPDES IDMO0139947
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 1, 2023
Expiration dateAugust 31, 2028
AddressCarthage, MO 64836
Receiving waterTributary to Spring R.
SubwatershedCity of Carthage-Spring River (HUC 110702070505)
Other EPA IDs (FRS)RCRA handler MOD985816354

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Oxygen demand, chem. [high level] [COD]22117April 30, 2026893% over the limit
Oil and grease [soxhlet extr.] tot.22117May 31, 2026734% over the limit
Lead, total recoverable22117May 31, 2026871% over the limit
Phosphorus, total [as P]22016May 31, 20261,920% over the limit
Copper, total recoverable21814March 31, 20267,596% over the limit
BOD, 5-day, 20 deg. C21812April 30, 2026417% over the limit
Boron, total recoverable2139March 31, 20261,386% over the limit
Zinc, total recoverable2139April 30, 2026693% over the limit
Chlorine, total residual2128May 31, 2026585% over the limit
Solids, total suspended273April 30, 202643% over the limit
E. coli233May 31, 2026618% over the limit
Nitrogen, ammonia total [as N]840
Sulfate [as S]240
pH240
Benzene240
Chloride240
Flow, in conduit or thru treatment plant240
Chlorides + Sulfates240

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
June 10, 2026WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMPST6
June 10, 2026Effluent Violations - Numeric effluent violationST6

Inspections

DateWhat EPA recordedAgency
May 13, 2026EvaluationS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MO0139947.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This EPA permit record covers NPDES permit MO0139947, held by Missouri and Northern Arkansas Railroad at Carthage, MO, a minor discharger whose permit status is listed as Effective, with issue and expiration dates of September 1, 2023 and August 31, 2028. The page lists 11 pollutants under a numeric limit and 11 pollutants with an effluent exceedance, with the receiving water given as Tributary to Spring R. in the City of Carthage-Spring River subwatershed (HUC 110702070505).