NPDES MS0028479 · Clean Water Act
DESOTO CO REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP, Olive Branch, MS: NPDES MS0028479 discharge permit, effluent exceedances, inspections, penalties
DESOTO CO REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP, Olive Branch, Mississippi: Individual permit MS0028479, held by DESOTO COUNTY REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP; Publicly owned treatment works; Administratively continued; issued May 24, 2019, term to April 30, 2024, by MDEQ; discharges to NONCONNAH CREEK.
2 of the 23 pollutants listed for NPDES MS0028479 have no violation or effluent exceedance.
- Nitrogen, ammonia total [as N]: 24 limits, 247 violations of any kind, 223 effluent exceedances, latest July 31, 2026, largest 850% over the limit.
- Copper, total recoverable: 4 limits, 119 violations of any kind, 101 effluent exceedances, latest January 31, 2026, largest 13,205% over the limit.
- BOD, 5-day, 20 deg. C: 24 limits, 94 violations of any kind, 78 effluent exceedances, latest February 28, 2026, largest 171% over the limit.
- Solids, total suspended: 24 limits, 93 violations of any kind, 77 effluent exceedances, latest September 30, 2024, largest 522% over the limit.
- Cadmium, total recoverable: 4 limits, 73 violations of any kind, 71 effluent exceedances, latest July 31, 2026, largest 7,552% over the limit.
- Flow, in conduit or thru treatment plant: 8 limits, 50 violations of any kind, 47 effluent exceedances, latest September 30, 2024, largest 61% over the limit.
- %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1 limit, 24 violations of any kind, 24 effluent exceedances, latest September 30, 2026, largest 99% over the limit.
- Lead, total recoverable: 2 limits, 26 violations of any kind, 18 effluent exceedances, latest December 31, 2019, largest 1,086% over the limit.
- Chlorine, total residual: 4 limits, 17 violations of any kind, 13 effluent exceedances, latest May 31, 2025, largest 1,076% over the limit.
- Phosphorus, total [as P]: 4 limits, 12 violations of any kind, 12 effluent exceedances, latest October 31, 2024, largest 913% over the limit.
- Oil & grease [freon extr.-IR meth] tot, RC: 0 limits, 14 violations of any kind, 6 effluent exceedances, latest July 31, 2006, largest 2,160% over the limit.
- pH: 4 limits, 12 violations of any kind, 6 effluent exceedances, latest April 30, 2026.
- %Effect Static Renewal 7Day Chronic Pimephales promelas: 1 limit, 6 violations of any kind, 6 effluent exceedances, latest September 30, 2026, largest 99% over the limit.
- Mercury, total recoverable: 2 limits, 6 violations of any kind, 4 effluent exceedances, latest July 31, 2024, largest 35% over the limit.
- Solids, suspended percent removal: 2 limits, 4 violations of any kind, 4 effluent exceedances, latest March 31, 2025, largest 347% over the limit.
- Oxygen, dissolved [DO]: 6 limits, 6 violations of any kind, 3 effluent exceedances, latest April 30, 2025, largest 70% over the limit.
- Coliform, fecal general: 0 limits, 8 violations of any kind, 2 effluent exceedances, latest July 31, 2010, largest 650% over the limit.
- E. coli: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest March 31, 2019, largest 680% over the limit.
- Oil & Grease: 4 limits, 36 violations of any kind.
- Sludge settleability 30 minute: 4 limits, 6 violations of any kind.
- Zinc, total recoverable: 0 limits, 2 violations of any kind.
- Nitrogen, total [as N]: 4 limits.
- BOD, 5-day, percent removal: 2 limits.
- May 17, 2022: Effluent Violations - Numeric effluent violation (ST6).
- May 17, 2022: Effluent Violations - Narrative Effluent Violation (ST6).
Mississippi holds 336 Publicly owned treatment works coverages of this permit type in EPA’s file; 221 were issued before MS0028479.
Coverages issued nearest MS0028479
- 2019-05-01: DUCK HILL POTW, Duck Hill: MS0020133
- 2019-05-03: TUNICA CO UTILITY DISTRICT, GRAND CASINO, Robinsonville: MS0047635, held by TUNICA COUNTY UTILITY DISTRICT, GRAND CASINO
- 2019-05-03: RIVERHILLS WASTEWATER TREATMENT FACILITY, Gulfport: MS0061191, held by HARRISON CO UTILITY AUTHORITY, RIVERHILLS WWTF
- 2019-05-16: CROWDER POTW, Crowder: MS0034304
- 2019-05-24: WATER VALLEY POTW, Water Valley: MS0022331
- 2019-05-24: CLINTON POTW, SOUTHSIDE, Clinton: MS0054992
- 2019-06-05: DREW POTW, Drew: MS0026417
- 2019-06-17: FARRELL POTW, Farrell: MS0045187, held by COAHOMA CO UTILITY DISTRICT NO. 2, FARRELL POTW
- 2019-06-27: DCRUA, BRAYBOURNE SUBDIVISION, Olive Branch: MS0053155
- 2019-06-28: FULTON POTW, SOUTH, Fulton: MS0049263
DESOTO CO REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP among its neighbors
41 discharge permits are in the Upper Nonconnah Creek subwatershed (HUC 080102110101); MS0028479 is one. Its county: 186, 3 major; MS0028479 is minor permit.
Other permits in the Upper Nonconnah Creek subwatershed (HUC 080102110101)
- ALLEN OLIVE BRANCH LLC, KIRK FARMS, Olive Branch: MSR109357, minor, term to 2027-01-31
- BYHALIA COMMONS PD CONVENIENT STORE, Collierville: TNR155699, minor, term to 2026-09-30
- CARRIER CORPORATION, Collierville: TNR050077, minor, term to 2025-06-30
- COLLIERVILLE FIRE STATION, Collierville: TNR155584, minor, term to 2026-09-30
- CORDOVA CONCRETE INC, PLANT 7, Olive Branch: MSG110294, minor, term to 2014-03-31
- CROSSROADS DISTRIBUTION CENTER, Olive Branch: MSR108793, minor, term to 2027-01-31
- CYPRESS GROVE SECTION C-1 PHASES 1 & 2, Collierville: TNR155946, minor, term to 2026-09-30
- DCRUA, FOX CREEK EAST SUBDIVISION, Olive Branch: MS0051195, minor, term to 2025-10-31
- FOX CREEK INVESTMENT LLC, FOX CREEK MARKETPLACE, Olive Branch: MSR108919, minor, term to 2027-01-31
- GOODMAN ROAD CAR WASH LLC, Olive Branch: MS0053627, minor, term to 2023-03-31
Identity
| Facility | DESOTO CO REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP |
|---|---|
| Permittee | DESOTO COUNTY REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP |
| NPDES ID | MS0028479 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 24, 2019 |
| Expires | April 30, 2024 |
| Agency | MDEQ |
| Address | Olive Branch, MS 38654 |
| Receiving water | NONCONNAH CREEK |
| Subwatershed | Upper Nonconnah Creek (HUC 080102110101) |
NPDES MS0028479: effluent limits and exceedances
DESOTO CO REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP (NPDES MS0028479): 23 pollutants on file, 20 limited; 21 with a violation of any kind, 18 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, 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 |
NPDES MS0028479: inspections, violations and enforcement
NPDES MS0028479: 2 single-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 |
NPDES MS0028479 (DESOTO CO REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES MS0028479
NPDES MS0028479: one email when its EPA record changes — $99/month.
Permits near NPDES MS0028479
NPDES MS0028479: 23 pollutant rows, 2 dated events; ICIS-NPDES download, loaded September 15, 2026.