Clean Water Act discharge permit · NPDES MS0028479
DESOTO CO REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP, Olive Branch, MS: NPDES MS0028479 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 18Pollutants with an effluent exceedance
DESOTO CO REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP, held by DESOTO COUNTY REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP, holds NPDES permit MS0028479, which discharges to Nonconnah Creek. EPA’s file records it issued May 24, 2019 and expiring April 30, 2024. 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 filed | DESOTO CO REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP |
|---|---|
| Permittee as filed | DESOTO COUNTY REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP |
| NPDES ID | MS0028479 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 24, 2019 |
| Expiration date | April 30, 2024 |
| Issuing agency | MDEQ |
| Address | Olive Branch, MS 38654 |
| Receiving water | NONCONNAH CREEK |
| Subwatershed | Upper Nonconnah Creek (HUC 080102110101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 23Pollutants on file
- 20Under a numeric limit
- 21With a violation of any kind
- 18With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 24 | 247 | 223 | July 31, 2026 | 850% over the limit |
| Copper, total recoverable | 4 | 119 | 101 | January 31, 2026 | 13,205% over the limit |
| BOD, 5-day, 20 deg. C | 24 | 94 | 78 | February 28, 2026 | 171% over the limit |
| Solids, total suspended | 24 | 93 | 77 | September 30, 2024 | 522% over the limit |
| Cadmium, total recoverable | 4 | 73 | 71 | July 31, 2026 | 7,552% over the limit |
| Flow, in conduit or thru treatment plant | 8 | 50 | 47 | September 30, 2024 | 61% over the limit |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 24 | 24 | September 30, 2026 (as filed; later than the file's load date) | 99% over the limit |
| Lead, total recoverable | 2 | 26 | 18 | December 31, 2019 | 1,086% over the limit |
| Chlorine, total residual | 4 | 17 | 13 | May 31, 2025 | 1,076% over the limit |
| Phosphorus, total [as P] | 4 | 12 | 12 | October 31, 2024 | 913% over the limit |
| Oil & grease [freon extr.-IR meth] tot, RC | 0 | 14 | 6 | July 31, 2006 | 2,160% over the limit |
| pH | 4 | 12 | 6 | April 30, 2026 | |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | 1 | 6 | 6 | September 30, 2026 (as filed; later than the file's load date) | 99% over the limit |
| Mercury, total recoverable | 2 | 6 | 4 | July 31, 2024 | 35% over the limit |
| Solids, suspended percent removal | 2 | 4 | 4 | March 31, 2025 | 347% over the limit |
| Oxygen, dissolved [DO] | 6 | 6 | 3 | April 30, 2025 | 70% over the limit |
| Coliform, fecal general | 0 | 8 | 2 | July 31, 2010 | 650% over the limit |
| E. coli | 4 | 2 | 2 | March 31, 2019 | 680% over the limit |
| Oil & Grease | 4 | 36 | 0 | ||
| Sludge settleability 30 minute | 4 | 6 | 0 | ||
| Zinc, total recoverable | 0 | 2 | 0 | ||
| Nitrogen, total [as N] | 4 | 0 | 0 | ||
| BOD, 5-day, percent removal | 2 | 0 | 0 |
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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 17, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| May 17, 2022 | Effluent Violations - Narrative Effluent Violation | ST6 |
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
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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 MS0028479 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.