Clean Water Act discharge permit · NPDES MO0043818
GRANDVIEW R-II SCHOOL DISTRICT WWTP, Hillsboro, MO: NPDES MO0043818 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
GRANDVIEW R-II SCHOOL DISTRICT WWTP, held by Grandview R-II School District, holds NPDES permit MO0043818, which discharges to Tributary To Dry Cr.. EPA’s file records it issued March 1, 2025 and expiring February 28, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GRANDVIEW R-II SCHOOL DISTRICT WWTP |
|---|---|
| Permittee as filed | Grandview R-II School District |
| NPDES ID | MO0043818 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 1, 2025 |
| Expiration date | February 28, 2030 |
| Address | Hillsboro, MO 63050 |
| Receiving water | Tributary to Dry Cr. |
| Subwatershed | Dry Creek (HUC 071401040402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 8Under a numeric limit
- 11With a violation of any kind
- 8With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | 0 | 22 | 20 | June 30, 2017 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 15 | 13 | March 31, 2022 | 1,207% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 10 | 6 | March 31, 2021 | 157% over the limit |
| Solids, total suspended | 4 | 9 | 5 | June 30, 2020 | 223% over the limit |
| Solids, suspended percent removal | 1 | 6 | 5 | June 30, 2020 | 567% over the limit |
| E. coli | 2 | 5 | 5 | September 30, 2020 | 23,589% over the limit |
| BOD, 5-day, percent removal | 1 | 3 | 2 | March 31, 2021 | 260% over the limit |
| pH | 2 | 5 | 1 | March 31, 2015 | |
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 0 | 2 | 0 | ||
| Chlorine, total residual | 0 | 2 | 0 |
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
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 31, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| January 10, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| July 15, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 30, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| June 29, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| March 30, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| April 12, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| October 19, 2017 | Effluent Violations - Numeric effluent violation | ST6 |
| July 6, 2017 | Effluent Violations - Numeric effluent violation | ST6 |
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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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MO0043818 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.