Clean Water Act discharge permit · NPDES MO0099074
LINN CO. R-I SCHOOL DISTRICT WWTF, Purdin, MO: NPDES MO0099074 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LINN CO. R-I SCHOOL DISTRICT WWTF, held by Linn County R-I School District, holds NPDES permit MO0099074, which discharges to Tributary To Lowes Branch. EPA’s file records it issued August 22, 2018 and expiring September 30, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LINN CO. R-I SCHOOL DISTRICT WWTF |
|---|---|
| Permittee as filed | Linn County R-I School District |
| NPDES ID | MO0099074 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 22, 2018 |
| Expiration date | September 30, 2022 |
| Address | Purdin, MO 64674 |
| Receiving water | Tributary to Lowes Branch |
| Subwatershed | Lowes Branch-Locust Creek (HUC 102801030901) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 3Under a numeric limit
- 7With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Volume, total | 2 | 118 | 0 | ||
| Rainfall | 2 | 42 | 0 | ||
| Lagoon freeboard | 1 | 20 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 4 | 0 | ||
| pH | 0 | 4 | 0 | ||
| Solids, total suspended | 0 | 4 | 0 | ||
| Freeboard | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0099074.
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
- 15Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 28, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 24, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| December 9, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| December 9, 2024 | Permit Violations - Unapproved Operation | ST6 |
| December 9, 2024 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| December 9, 2024 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| December 9, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 9, 2024 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 31, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 31, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 30, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 8, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| January 8, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 9, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MO0099074 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.