Clean Water Act discharge permit · NPDES MO0091642
GREENTOP WWTF, Greentop, MO: NPDES MO0091642 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
GREENTOP WWTF, held by City of Greentop, holds NPDES permit MO0091642, which discharges to Tributary To N. Fk. Salt R.. EPA’s file records it issued September 6, 2018 and expiring March 31, 2023. 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 | GREENTOP WWTF |
|---|---|
| Permittee as filed | City of Greentop |
| NPDES ID | MO0091642 |
| 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 6, 2018 |
| Expiration date | March 31, 2023 |
| Address | Greentop, MO 63546 |
| Receiving water | Tributary to N. Fk. Salt R. |
| Subwatershed | Bee Branch-North Fork Salt River (HUC 071100050102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 7Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 2 | 53 | 47 | July 31, 2026 | 2,826% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 18 | 7 | April 30, 2026 | 62% over the limit |
| E. coli | 2 | 8 | 6 | May 31, 2026 | 5,143% over the limit |
| E. coli, colony forming units [CFU] | 0 | 4 | 4 | September 30, 2018 | 6,211% over the limit |
| Solids, total suspended | 3 | 14 | 3 | May 31, 2026 | 40% over the limit |
| Coliform, fecal general | 0 | 3 | 3 | August 31, 2013 | 298% over the limit |
| Solids, suspended percent removal | 0 | 4 | 2 | June 30, 2026 | 181% over the limit |
| pH | 2 | 40 | 1 | July 31, 2026 | |
| Oil and grease [soxhlet extr.] tot. | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| BOD, 5-day, percent removal | 0 | 2 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 0 | 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
- 18Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 12, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 16, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| March 7, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 7, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| March 7, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| September 27, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| June 28, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| March 29, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| March 29, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| March 29, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 30, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 30, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| June 24, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| June 24, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| June 24, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 28, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
| June 28, 2017 | Reporting Violations - Improper/ Incorrect Reporting | 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.
Watch this permit
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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 MO0091642 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.