NPDES MOG491110 · Clean Water Act
TWIN STATES SAND AND GRAVEL LLC, Milan, MO: NPDES MOG491110 discharge permit, effluent exceedances, inspections, penalties
TWIN STATES SAND AND GRAVEL LLC, Milan, Missouri: General permit coverage MOG491110, held by Twin States Sand and Gravel LLC; Industrial stormwater; Administratively continued; issued June 1, 2017, term to April 30, 2022; discharges to Tributary to Locust Cr..
- pH: 4 limits, 58 violations of any kind.
- Solids, total suspended: 4 limits, 14 violations of any kind.
- Solids, settleable: 4 limits, 14 violations of any kind.
- Oil and grease [soxhlet extr.] tot.: 4 limits, 14 violations of any kind.
- Flow, in conduit or thru treatment plant: 4 limits, 12 violations of any kind.
- Storm water flow: 0 limits, 2 violations of any kind.
- September 14, 2026: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- June 12, 2026: Reporting Violations - Failure to Submit DMRs (ST6).
- April 18, 2025: Reporting Violations - Failure to Submit DMRs (ST6).
- March 18, 2024: Reporting Violations - Failure to Submit DMRs (ST6).
- November 16, 2023: Reporting Violations - Failure to Submit DMRs (ST6).
- November 10, 2021: Reporting Violations - Failure to Submit DMRs (ST6).
- November 10, 2021: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- November 10, 2021: WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP (ST6).
- November 1, 2021: Reporting Violations - Failure to Submit DMRs (ST6).
- September 30, 2021: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- June 18, 2021: Permit Violations - Unapproved Operation (ST6).
- June 18, 2021: Reporting Violations - Failure to Submit DMRs (ST6).
- June 11, 2020: Permit Violations - Violation Specified in Comment (ST6).
Missouri holds 3,107 Industrial stormwater coverages of this permit type in EPA’s file; 606 were issued before MOG491110.
Coverages issued nearest MOG491110
- 2017-06-01: MISSOURI RED QUARRIES, INC, Ironton: MOG490926, held by MISSOURI RED QUARRIES INC
- 2017-06-01: MAGRUDER LIMESTONE CO.SUNRISE BEACH, Sunrise Beach: MOG490971, held by Magruder Limestone Co., Inc.
- 2017-06-01: HSG 473 SEAGRAVES QUARRY, Rich Hill: MOG490983, held by Holliday Sand & Gravel Company, Inc.
- 2017-06-01: 3 TREE ENTERPRISES LLC, DBA SOLID ROCK C, Russellville: MOG490989, held by 3 Tree Enterprises LLC
- 2017-06-01: ROST READY MIX, Marshfield: MOG491080, held by Rost Ready Mix
- 2017-06-01: CONCO CO GALLOWAY QUARRY, Springfield: MOG491135, held by Conco Quarries Inc
- 2017-06-01: JASPER QUARRY, Jasper: MOG491139, held by Mulberry Limestone Quarry Co. Inc.
- 2017-06-01: SANDIDGE CONCRETE - JEFFERSON CITY, Jefferson City: MOG491178, held by West Land and Equipment, LLC
- 2017-06-01: EMERY SAPP AND SONS - SALE SITE, Hannibal: MOG491188, held by Emery Sapp and Sons, Inc.
- 2017-06-01: MAGRUDER LIMESTONE CO SHELBINA QUARRY, Shelbyville: MOG491210, held by Magruder Limestone Company Inc
TWIN STATES SAND AND GRAVEL LLC among its neighbors
2 discharge permits are in the Community of Reger-Locust Creek subwatershed (HUC 102801030706); MOG491110 is one. Its county: 21, 0 major; MOG491110 is minor permit.
Other permits in the Community of Reger-Locust Creek subwatershed (HUC 102801030706)
- MILAN MOTEL WWTP, Milan: MO0122734, minor, term to 2014-04-30
Identity
| Facility | TWIN STATES SAND AND GRAVEL LLC |
|---|---|
| Permittee | Twin States Sand and Gravel LLC |
| NPDES ID | MOG491110 |
| Status | Administratively continued |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Industrial stormwater |
| Issued | June 1, 2017 |
| Expires | April 30, 2022 |
| Address | Milan, MO 63556 |
| Receiving water | Tributary to Locust Cr. |
| Subwatershed | Community of Reger-Locust Creek (HUC 102801030706) |
| SIC | 1422 – Crushed And Broken Limestone |
NPDES MOG491110: effluent limits and exceedances
TWIN STATES SAND AND GRAVEL LLC (NPDES MOG491110): 6 pollutants on file, 5 limited; 6 with a violation of any kind, 0 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| pH | 4 | 58 | 0 | ||
| Solids, total suspended | 4 | 14 | 0 | ||
| Solids, settleable | 4 | 14 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 4 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Storm water flow | 0 | 2 | 0 |
NPDES MOG491110: inspections, violations and enforcement
NPDES MOG491110: 13 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 14, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 12, 2026 | Reporting Violations - Failure to Submit DMRs | ST6 |
| April 18, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 18, 2024 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 10, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 10, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 10, 2021 | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| November 1, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 18, 2021 | Permit Violations - Unapproved Operation | ST6 |
| June 18, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 11, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES MOG491110 (TWIN STATES SAND AND GRAVEL LLC): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES MOG491110
NPDES MOG491110: one email when its EPA record changes — $99/month.
Permits near NPDES MOG491110
NPDES MOG491110: 6 pollutant rows, 13 dated events; ICIS-NPDES download, loaded October 14, 2026.