Velarion Records

Clean Water Act discharge permit · NPDES MS0020184

GREENVILLE POTW, Greenville, MS: NPDES MS0020184 discharge permit, effluent exceedances, inspections, penalties

GREENVILLE POTW holds NPDES permit MS0020184, which discharges to Mississippi River. EPA’s file records it issued September 21, 2016 and expiring August 31, 2021. 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 filedGREENVILLE POTW
Permittee as filedGREENVILLE POTW
NPDES IDMS0020184
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 21, 2016
Expiration dateAugust 31, 2021
Issuing agencyMDEQ
AddressGreenville, MS 38701
Receiving waterMISSISSIPPI RIVER
Subwatershed80301000100 (HUC 080301000100)

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

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
Solids, total suspended16119109March 31, 20241,224% over the limit
BOD, 5-day, 20 deg. C16113104December 31, 2021930% over the limit
Coliform, fecal general86660November 30, 20214,420,083% over the limit
Solids, suspended percent removal13736March 31, 20241,833% over the limit
BOD, 5-day, percent removal13030April 30, 20222,080% over the limit
Sludge settleability 30 minute250
Phosphorus, total [as P]840
Flow, in conduit or thru treatment plant420
Oxygen, dissolved [DO]220
pH220
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia010
IC25 Static Renewal 7 Day Chronic Chrpimephales010
Nitrogen, total [as N]800

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
May 5, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentST6
May 4, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 30, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 31, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 26, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentST6
March 20, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentST6
March 18, 2026Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentST6
March 17, 2026Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentST6
March 16, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 7, 2026Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentST6
February 5, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
January 21, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentST6
January 20, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6

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, MS0020184.

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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 MS0020184 there.

Nearby on the register

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

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