GRAIN VALLEY PHASE II MS4, Grain Valley, MO: NPDES MOR04C028 discharge permit, effluent exceedances, inspections, penalties

GRAIN VALLEY PHASE II MS4, Grain Valley, Missouri: General permit coverage MOR04C028, held by City of Grain Valley; Small municipal storm sewer systems; Effective; issued December 1, 2021, term to September 30, 2026; discharges to Tributary to Sni-a-bar Cr..

• Report due [yrmoda]: 1 limit, 1 violation of any kind.

• May 7, 2026: Permit Violations - Violation Specified in Comment (ST6).
• April 6, 2026: Evaluation (S).

Missouri holds 97 Small municipal storm sewer systems coverages of this permit type in EPA’s file; 75 were issued before MOR04C028.

Coverages issued nearest MOR04C028

• 2021-11-01: WENTZVILLE PHASE II MS4, Wentzville: MOR04C075, held by City of Wentzville
• 2021-11-01: UNIVERSITY OF MISSOURI ST LOUIS, St. Louis: MOR04C076, held by CURATORS OF THE UNIVERSITY OF MISSOURI
• 2021-11-01: JEFFERSON COUNTY PHASE II MS4, Hillsboro: MOR04C077, held by Jefferson County
• 2021-11-05: ARNOLD PHASE II MS4, Arnold: MOR04C072, held by City of Arnold
• 2021-11-24: NORTH KANSAS CITY PHASE II MS4, North Kansas City: MOR04C026, held by City of North Kansas City
• 2021-12-01: LEE'S SUMMIT PHASE II MS4, Lee'S Summit: MOR04C029, held by City of Lee's Summit
• 2021-12-01: PLEASANT VALLEY PHASE II MS4, Pleasant Valley: MOR04C032, held by City of Pleasant Valley
• 2021-12-01: WEATHERBY LAKE PHASE II MS4, Weatherby Lake: MOR04C034, held by City of Weatherby Lake
• 2021-12-01: RAYMORE PHASE II MS4, Raymore: MOR04C036, held by City of Raymore
• 2021-12-01: ST JOSEPH PHASE II MS4, St Joseph: MOR04C038, held by City of St. Joseph

GRAIN VALLEY PHASE II MS4 among its neighbors

47 discharge permits are in the Swiney Branch-Sni-A-Bar Creek subwatershed (HUC 103001010503); MOR04C028 is one. Its county: 750, 10 major; MOR04C028 is minor permit.

Other permits in the Swiney Branch-Sni-A-Bar Creek subwatershed (HUC 103001010503)

• 800 SYMOUR RD, Grain Valley: MORA28315, minor, term to 2027-02-07
• ADAMS DAIRY BUSINESS PARK, Blue Springs: MORA25994, minor, term to 2027-02-07
• AMAZON.COM SERVICES LLC DMC4, Blue Springs: MOR80C664, minor, term to 2022-11-30
• AUDUBON READYMIX - BLUE SPRINGS, Blue Springs: MOG490294, minor, term to 2011-10-05
• BLUE SPRINGS AQUATICS CENTER, Blue Springs: MORA22371, minor, term to 2027-02-07
• BLUE SPRINGS INDUSTRIAL, Blue Springs: MORA28979, minor, term to 2027-02-07
• BLUE SPRINGS PUBLIC WORKS RENOVATION, Blue Springs: MORA29954, minor, term to 2027-02-07
• BLUE SPRINGS TLE, Blue Springs: MORA25492, minor, term to 2027-02-07
• BOULDER SPRINGS - BLUE SPRINGS, Blue Springs: MORA30337, minor, term to 2027-02-07
• BUCKNER TARSNEY ROAD TRAIL, Grain Valley: MORA28018, minor, term to 2027-02-07