Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES OK0022772

LOCUST GROVE PUBLIC WORKS AUTH, Locust Grove, OK: NPDES OK0022772 discharge permit, effluent exceedances, inspections, penalties

LOCUST GROVE PUBLIC WORKS AUTH, held by Locust Grove PWA, holds NPDES permit OK0022772, which discharges to 121600 Crutchfield Br/Neosho R. EPA’s file records it issued August 21, 2020 and expiring September 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedLOCUST GROVE PUBLIC WORKS AUTH
Permittee as filedLocust Grove PWA
NPDES IDOK0022772
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedAugust 21, 2020
Expiration dateSeptember 30, 2025
Issuing agencyODEQ
AddressLocust Grove, OK 74352
Receiving water121600 Crutchfield Br/Neosho R
SubwatershedCrutchfield Branch-Neosho River (HUC 110702090508)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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 suspended6402205March 31, 202613,339% over the limit
BOD, 5-day, 20 deg. C3280180March 31, 2026503% over the limit
E. coli412267July 31, 2026102,779% over the limit
pH216162August 31, 2025
BOD, carbonaceous [5 day, 20 C]312543June 30, 2026287% over the limit
Nitrogen, ammonia total [as N]612240June 30, 2026425% over the limit
Oxygen, dissolved [DO]26932May 31, 202646% over the limit
Coliform, fecal general04927September 30, 2014210,307% over the limit
Chlorine, total residual14811July 31, 20262,122% over the limit
Flow, in conduit or thru treatment plant21040

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 12, 2025Management Practice Violations - Improper Chemical HandlingST6
December 14, 2023Management Practice Violations - Failure to Maintain RecordsST6
December 14, 2023Management Practice Violations - Improper Operation and MaintenanceST6
December 14, 2023Biosolids: Other Management Practice ViolationST6
March 2, 2023Management Practice Violations - Failure to Maintain RecordsST6
March 2, 2023Management Practice Violations - Improper Operation and MaintenanceST6
March 2, 2023Monitoring Violations - Frequency of Sampling ViolationST6
October 28, 2022Management Practice Violations - Best Management Practice DeficienciesST6
October 28, 2022Management Practice Violations - Improper Operation and MaintenanceST6
October 28, 2022Management Practice Violations - Failure to Maintain RecordsST6
October 28, 2022Biosolids: Other Management Practice ViolationST6

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, OK0022772.

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 OK0022772 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This page covers the NPDES permit OK0022772 for LOCUST GROVE PUBLIC WORKS AUTH in Locust Grove, OK. It lists 9 pollutants under a numeric limit and 9 pollutants with an effluent exceedance. The permit was issued August 21, 2020, and expires September 30, 2025.