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Clean Water Act discharge permit · NPDES MORA23320

MARS STREET EXTENSION, Mexico, MO: NPDES MORA23320 discharge permit, effluent exceedances, inspections, penalties

MARS STREET EXTENSION, held by City of Mexico, holds NPDES permit MORA23320, which discharges to Tributary To S. Fk. Salt R.. EPA’s file records it issued January 19, 2023 and expiring February 7, 2027. 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.

What the register holds for MARS STREET EXTENSION: its NPDES ID, its permit type and status, its dates, its address in Mexico, Missouri, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MORA23320.

Identity

Facility as filedMARS STREET EXTENSION
Permittee as filedCity of Mexico
NPDES IDMORA23320
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJanuary 19, 2023
Expiration dateFebruary 7, 2027
AddressMexico, MO 65265
Receiving waterTributary to S. Fk. Salt R.
Receiving water impaired303(D) Listed
SubwatershedLong Branch-South Fork Salt River (HUC 071100060503)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MORA23320.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MORA23320.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MORA23320.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MORA23320 there.

Nearby on the register

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