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Clean Water Act discharge permit · NPDES MO0113735

ROCKWOOD VALLEY MIDDLE SCHOOL WWTF, Wildwood, MO: NPDES MO0113735 discharge permit, effluent exceedances, inspections, penalties

ROCKWOOD VALLEY MIDDLE SCHOOL WWTF, held by Rockwood School District (RSD), holds NPDES permit MO0113735, which discharges to Tributary To Bonhomme Creek. EPA’s file records it issued April 1, 2026 and expiring March 31, 2031. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedROCKWOOD VALLEY MIDDLE SCHOOL WWTF
Permittee as filedRockwood School District (RSD)
NPDES IDMO0113735
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramPublicly owned treatment works
IssuedApril 1, 2026
Expiration dateMarch 31, 2031
AddressWildwood, MO 63038
Receiving waterTributary to Bonhomme Creek
SubwatershedBonhomme Creek (HUC 103002000701)
Program components on fileBiosolids, POTW
SIC8211 – Elementary And Secondary Schools

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, ammonia total [as N]85036June 30, 20261,260% over the limit
pH23719June 30, 2024
Chlorine, total residual01818August 31, 2010900% over the limit
BOD, 5-day, 20 deg. C3288September 30, 2019173% over the limit
Solids, total suspended3233December 31, 201873% over the limit
E. coli2150
Flow, in conduit or thru treatment plant2140
E. coli, colony forming units [CFU]040
Ammonia [as N] + unionized ammonia040
BOD, 5-day, percent removal120
Solids, suspended percent removal120
Oil and grease [soxhlet extr.] tot.200

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
September 18, 2024Effluent Violations - Numeric effluent violationST6
March 17, 2023Effluent Violations - Numeric effluent violationST6
December 23, 2021Effluent Violations - Numeric effluent violationST6
October 15, 2021Reporting Violations - Failure to Submit DMRsST6
September 30, 2019Effluent Violations - Numeric effluent violationST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MO0113735 for the ROCKWOOD VALLEY MIDDLE SCHOOL WWTF in Wildwood, MO, held by Rockwood School District (RSD), with an Effective permit status and a Minor discharger class. The page lists 5 pollutants under a numeric limit and 9 with an effluent exceedance, with the permit shown as issued April 1, 2026 and expiring March 31, 2031.