NPDES MOR100086 · Clean Water Act
CITY OF CLAYTON, Clayton, MO: NPDES MOR100086 discharge permit, effluent exceedances, inspections, penalties
CITY OF CLAYTON, Clayton, Missouri: General permit coverage MOR100086, held by City of Clayton; Construction stormwater; Administratively continued; issued October 1, 2017, term to June 22, 2022; discharges to Tributary to Black Cr.; Site Preparation Contractors.
- Report due [yrmoda]: 1 limit, 24 violations of any kind.
- December 5, 2025: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- March 31, 2025: Reporting Violations - Failure to Submit DMRs (ST6).
- July 3, 2024: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- November 20, 2023: Reporting Violations - Failure to Submit DMRs (ST6).
- January 13, 2022: Reporting Violations - Failure to Submit DMRs (ST6).
- October 15, 2021: Reporting Violations - Failure to Submit DMRs (ST6).
Missouri holds 5,942 Construction stormwater coverages of this permit type in EPA’s file; 26 were issued before MOR100086. City of Clayton holds 3 permits in Missouri.
Other permits held by City of Clayton
- CHAPMAN PLAZA AND GARDENS AT SHAW PARK, Clayton: MOG760169, issued 2016-11-03
- CLAYTON PUBLIC WORKS, Clayton: MORA29015, issued 2025-10-22
Coverages issued nearest MOR100086
- 2017-07-01: LINCOLN COUNTY, Troy: MOR100091, held by Lincoln County
- 2017-08-01: UNIVERSITY OF MISSOURI, Columbia: MOR100039, held by University of Missouri
- 2017-09-01: COLE COUNTY PUBLIC WORKS, Jefferson City: MOR100034, held by Cole County Road and Bridge Department
- 2017-09-01: CITY OF JOPLIN, Joplin: MOR100050
- 2017-09-01: CITY OF FULTON, Fulton: MOR100090, held by City of Fulton
- 2017-10-01: CITY OF BRANSON, Branson: MOR100093, held by City of Branson
- 2017-11-01: THE CITY OF KANSAS CITY, Kansas City: MOR100006, held by City of Kansas City
- 2018-04-18: RUETHER BROTHERS AND SONS, LLC, Middletown: MORA12098, held by Ruether Brothers and Sons, LLC
- 2018-05-31: PHENORA SUBDIVISION NORTH LAGOON, Columbia: MORA12338, held by Phenora Subdivision Association
- 2018-10-31: COCONUTS RV PARK, Gravois Mills: MORA13036, held by Coconuts
CITY OF CLAYTON among its neighbors
74 discharge permits are in the Deer Creek subwatershed (HUC 071401010504); MOR100086 is one. Its county: 872, 8 major; MOR100086 is minor permit.
Other permits in the Deer Creek subwatershed (HUC 071401010504)
- #45 OVERHILLS DRIVE, Ladue: MORA20210, minor, term to 2027-02-07
- 11 UPPER LADUE, Ladue: MORA28399, minor, term to 2027-02-07
- 501 SOUTH BRENTWOOD BOULEVARD, Clayton: MORA20598, minor, term to 2027-02-07
- 601 BARNES RD, St Louis: MORA29089, minor, term to 2027-02-07
- 9 DUNLEITH DR., Ladue: MORA30061, minor, term to 2027-02-07
- ALGONQUIN GOLF CLUB, Glendale: MOG760063, minor, term to 2024-07-31
- AVENIR, University City: MORA23085, minor, term to 2027-02-07
- BAYER CROPSCIENCE LP, Creve Coeur: MONX00425, minor, term to 2025-08-10
- BEMISTON PLACE, Clayton: MORA20047, minor, term to 2027-02-07
- BRENTWOOD BOUND FM AND GRG, Brentwood: MORA21992, minor, term to 2027-02-07
Identity
| Facility | CITY OF CLAYTON |
|---|---|
| Permittee | City of Clayton |
| NPDES ID | MOR100086 |
| Status | Administratively continued |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Construction stormwater |
| Issued | October 1, 2017 |
| Expires | June 22, 2022 |
| Address | Clayton, MO 63105 |
| Receiving water | Tributary to Black Cr. |
| Subwatershed | Deer Creek (HUC 071401010504) |
| NAICS | 238910 – Site Preparation Contractors |
| SIC | 1629 – Heavy Construction |
NPDES MOR100086: effluent limits and exceedances
CITY OF CLAYTON (NPDES MOR100086): 1 pollutants on file, 1 limited; 1 with a violation of any kind, 0 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Report due [yrmoda] | 1 | 24 | 0 |
NPDES MOR100086: inspections, violations and enforcement
NPDES MOR100086: 6 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 5, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 3, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 20, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| January 13, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| October 15, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
NPDES MOR100086 (CITY OF CLAYTON): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES MOR100086
NPDES MOR100086: one email when its EPA record changes — $99/month.
Permits near NPDES MOR100086
NPDES MOR100086: 1 pollutant rows, 6 dated events; ICIS-NPDES download, loaded October 14, 2026.