NPDES MOG490134 · Clean Water Act
NORTH QUARRY CS-55, Florissant, MO: NPDES MOG490134 discharge permit, effluent exceedances, inspections, penalties
NORTH QUARRY CS-55, Florissant, Missouri: General permit coverage MOG490134, held by CENTRAL STONE COMPANY; Industrial stormwater; Administratively continued; issued August 1, 2017, term to April 30, 2022; discharges to Tributary to Missouri R..
- Solids, total suspended: 2 limits, 8 violations of any kind, 4 effluent exceedances, latest September 30, 2025, largest 79% over the limit.
- Oil and grease [soxhlet extr.] tot.: 2 limits, 8 violations of any kind, 2 effluent exceedances, latest March 31, 2025, largest 386% over the limit.
- Solids, settleable: 2 limits, 6 violations of any kind, 2 effluent exceedances, latest September 30, 2007, largest 300% over the limit.
- pH: 2 limits, 4 violations of any kind.
- Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind.
- February 4, 2026: Effluent Violations - Numeric effluent violation (ST6).
Missouri holds 3,107 Industrial stormwater coverages of this permit type in EPA’s file; 922 were issued before MOG490134. CENTRAL STONE COMPANY holds 4 permits in Missouri.
Other permits held by CENTRAL STONE COMPANY
- ST. FRANCOIS STONE QUARRY CS-54, Farmington: MOG490158, issued 2017-05-01
- BUTLER HILL QUARRY - CS-58, Farmington: MOG491198, issued 2022-05-01
- POTOSI QUARRY CS-66, Cadet: MOG491226, issued 2017-05-01
Coverages issued nearest MOG490134
- 2017-08-01: BAILEY QUARRIES INC FALL VALLEY, Mount Vernon: MOG490084, held by Bailey Quarries Inc
- 2017-08-01: JANE QUARRY, Pineville: MOG490088, held by Anchor Stone Company
- 2017-08-01: LINN CREEK NORTH QUARRY, Linn Creek: MOG490110, held by Capital Materials LLC
- 2017-08-01: BAGNELL QUARRY, Bagnell: MOG490117, held by Capital Materials LLC
- 2017-08-01: FORT BELLEFONTAINE QUARRY CS-31, Florissant: MOG490133, held by Central Stone Company Inc
- 2017-08-01: 76 QUARRY, Kirbyville: MOG490170, held by Mansfield Lime and Stone Quarry Inc
- 2017-08-01: LAURIE QUARRY, Gravois Mills: MOG490175, held by Capital Materials LLC
- 2017-08-01: MISSOURI ROCK INC ORRICK QUARRY, Orrick: MOG490191, held by W.A. Ellis Construction Co.
- 2017-08-01: CARTHAGE CRUSHED LIMESTONE, Carthage: MOG490244, held by ART Quarry TRS LLC
- 2017-08-01: EWING CONCRETE MATERIALS, Bolivar: MOG490247, held by Rex Ewing
NORTH QUARRY CS-55 among its neighbors
9 discharge permits are in the Outlet Missouri River subwatershed (HUC 103002000804); MOG490134 is one. Its county: 872, 8 major; MOG490134 is minor permit.
Other permits in the Outlet Missouri River subwatershed (HUC 103002000804)
- AFSHARI ESTATES, PLAT #3, Florissant: MOGDS0213, minor, term to 2029-06-30
- CASTLEREAGH ESTATES SUBDIVISION WWTP, Florissant: MO0084484, minor, term to 2021-03-31
- CASTLEREAGH ESTATES SUBDIVISION WWTP, Florissant: MOGDS0172, minor, term to 2029-06-30
- CINDER ROAD GRADING, West Alton: MORA26913, minor, term to 2027-02-07
- CORA ISLAND CHUTE, West Alton: MORA27218, minor, term to 2027-02-07
- FIVE J FAMILY LTD, Florissant: MOG970019, minor, term to 2012-11-29
- LUECKE'S HAULING, Florissant: MORA19764, minor, term to 2027-02-07
- NFMOA FORT BELLE ASPHALT, St. Louis: MOG490910, minor, term to 2022-04-30
Identity
| Facility | NORTH QUARRY CS-55 |
|---|---|
| Permittee | CENTRAL STONE COMPANY |
| NPDES ID | MOG490134 |
| Status | Administratively continued |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Industrial stormwater |
| Issued | August 1, 2017 |
| Expires | April 30, 2022 |
| Address | Florissant, MO 63034 |
| Receiving water | Tributary to Missouri R. |
| Subwatershed | Outlet Missouri River (HUC 103002000804) |
| SIC | 1422 – Crushed And Broken Limestone |
NPDES MOG490134: effluent limits and exceedances
NORTH QUARRY CS-55 (NPDES MOG490134): 5 pollutants on file, 5 limited; 5 with a violation of any kind, 3 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 8 | 4 | September 30, 2025 | 79% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 8 | 2 | March 31, 2025 | 386% over the limit |
| Solids, settleable | 2 | 6 | 2 | September 30, 2007 | 300% over the limit |
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 |
NPDES MOG490134: inspections, violations and enforcement
NPDES MOG490134: 1 single-event violation
| Date | What EPA recorded | Agency |
|---|---|---|
| February 4, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
NPDES MOG490134 (NORTH QUARRY CS-55): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES MOG490134
NPDES MOG490134: one email when its EPA record changes — $99/month.
Permits near NPDES MOG490134
NPDES MOG490134: 5 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.