Clean Water Act discharge permit · NPDES MO0050598
BIRCH TREE WWTF, Birch Tree, MO: NPDES MO0050598 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
BIRCH TREE WWTF, held by CITY OF BIRCH TREE, holds NPDES permit MO0050598, which discharges to Birch Creek. EPA’s file records it issued September 22, 2017 and expiring March 31, 2020. 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 filed | BIRCH TREE WWTF |
|---|---|
| Permittee as filed | CITY OF BIRCH TREE |
| NPDES ID | MO0050598 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 22, 2017 |
| Expiration date | March 31, 2020 |
| Address | Birch Tree, MO 65438 |
| Receiving water | Birch Creek |
| Subwatershed | Birch Creek (HUC 110100110202) |
| SIC | 4952 – Sewerage Systems |
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
- 13Pollutants on file
- 11Under a numeric limit
- 13With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 0 | 15 | 15 | January 31, 2010 | 7,800% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 20 | 14 | February 29, 2024 | 2,483% over the limit |
| E. coli | 2 | 17 | 11 | June 30, 2025 | 1,821% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 15 | 8 | January 31, 2022 | 250% over the limit |
| pH | 2 | 12 | 8 | July 31, 2024 | |
| E. coli, colony forming units [CFU] | 0 | 7 | 7 | July 31, 2015 | 99,999% over the limit |
| BOD, 5-day, percent removal | 1 | 9 | 6 | January 31, 2024 | 280% over the limit |
| Solids, total suspended | 2 | 12 | 5 | June 30, 2022 | 127% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 18 | 4 | November 30, 2023 | 120% over the limit |
| Solids, suspended percent removal | 1 | 6 | 3 | June 30, 2025 | 567% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 1 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 18, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| July 7, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 23, 2019 | Permit Violations - Violation Specified in Comment | 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 MO0050598 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.