NPDES MS0020982 · Clean Water Act
WALNUT GROVE POTW, Walnut Grove, MS: NPDES MS0020982 discharge permit, effluent exceedances, inspections, penalties
WALNUT GROVE POTW, Walnut Grove, Mississippi: Individual permit MS0020982; Publicly owned treatment works; Administratively continued; issued December 28, 2017, term to November 30, 2022, by MDEQ; discharges to TUSCOLAMETA CREEK; Sewage Treatment Facilities.
4 of the 13 pollutants listed for NPDES MS0020982 have no violation or effluent exceedance.
- Nitrogen, ammonia total [as N]: 2 limits, 14 violations of any kind, 14 effluent exceedances, latest December 31, 2025, largest 410% over the limit.
- Flow, in conduit or thru treatment plant: 1 limit, 9 violations of any kind, 9 effluent exceedances, latest December 31, 2023, largest 117% over the limit.
- BOD, 5-day, 20 deg. C: 8 limits, 6 violations of any kind, 6 effluent exceedances, latest December 31, 2025, largest 147% over the limit.
- Nitrogen, total [as N]: 2 limits, 3 violations of any kind, 3 effluent exceedances, latest December 31, 2022, largest 106% over the limit.
- E. coli: 2 limits, 3 violations of any kind, 3 effluent exceedances, latest December 31, 2023, largest 1,479% over the limit.
- Chlorine, total residual: 2 limits, 2 violations of any kind, 2 effluent exceedances, latest December 31, 2015, largest 35% over the limit.
- Coliform, fecal general: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest December 31, 2014, largest 1,075% over the limit.
- BOD, 5-day, percent removal: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2025, largest 66% over the limit.
- Solids, suspended percent removal: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2018, largest 20% over the limit.
- Solids, total suspended: 8 limits.
- pH: 2 limits.
- Phosphorus, total [as P]: 2 limits.
- Oxygen, dissolved [DO]: 1 limit.
Mississippi holds 336 Publicly owned treatment works coverages of this permit type in EPA’s file; 132 were issued before MS0020982.
Coverages issued nearest MS0020982
- 2017-12-04: ANGUILLA POTW, Anguilla: MS0020541
- 2017-12-04: CROSBY POTW, Crosby: MS0020877
- 2017-12-04: ETHEL POTW, Ethel: MS0024791
- 2017-12-20: UNION POTW, Union: MS0023744
- 2017-12-28: PEARL RIVER COUNTY UTILITY AUTHORITY, POPLARVILLE POTW, Poplarville: MS0020494, held by PEARL RIVER CO UTILITY AUTHORITY, POPLARVILLE POTW
- 2017-12-28: VICKSBURG POTW, Vicksburg: MS0022381
- 2017-12-28: BOONEVILLE POTW, Booneville: MS0042030
- 2018-01-10: WAYNESBORO POTW, Waynesboro: MS0024228
- 2018-01-22: MATHISTON POTW, Mathiston: MS0023116
- 2018-01-23: TCHULA POTW, Tchula: MS0021482
WALNUT GROVE POTW among its neighbors
1 discharge permits are in the North & South Canals-Tuscolameta Creek subwatershed (HUC 031800010906); MS0020982 is one. Its county: 20, 0 major; MS0020982 is minor permit.
Identity
| Facility | WALNUT GROVE POTW |
|---|---|
| Permittee | WALNUT GROVE POTW |
| NPDES ID | MS0020982 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 28, 2017 |
| Expires | November 30, 2022 |
| Agency | MDEQ |
| Address | Walnut Grove, MS 39189 |
| Receiving water | TUSCOLAMETA CREEK |
| Subwatershed | North & South Canals-Tuscolameta Creek (HUC 031800010906) |
| Program components on file | POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
NPDES MS0020982: effluent limits and exceedances
WALNUT GROVE POTW (NPDES MS0020982): 13 pollutants on file, 12 limited; 9 with a violation of any kind, 9 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 2 | 14 | 14 | December 31, 2025 | 410% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 9 | 9 | December 31, 2023 | 117% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 6 | 6 | December 31, 2025 | 147% over the limit |
| Nitrogen, total [as N] | 2 | 3 | 3 | December 31, 2022 | 106% over the limit |
| E. coli | 2 | 3 | 3 | December 31, 2023 | 1,479% over the limit |
| Chlorine, total residual | 2 | 2 | 2 | December 31, 2015 | 35% over the limit |
| Coliform, fecal general | 0 | 2 | 2 | December 31, 2014 | 1,075% over the limit |
| BOD, 5-day, percent removal | 1 | 1 | 1 | December 31, 2025 | 66% over the limit |
| Solids, suspended percent removal | 1 | 1 | 1 | December 31, 2018 | 20% over the limit |
| Solids, total suspended | 8 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 |
NPDES MS0020982: inspections, violations and enforcement
NPDES MS0020982 (WALNUT GROVE POTW): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES MS0020982
NPDES MS0020982: one email when its EPA record changes — $99/month.
Permits near NPDES MS0020982
NPDES MS0020982: 13 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.