Clean Water Act discharge permit · NPDES MO0094307
GRAHAM WWTF, Graham, MO: NPDES MO0094307 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
GRAHAM WWTF, held by City of Graham, holds NPDES permit MO0094307, which discharges to Tributary To Elkhorn Cr.. EPA’s file records it issued April 7, 2015 and expiring April 30, 2020. 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 | GRAHAM WWTF |
|---|---|
| Permittee as filed | City of Graham |
| NPDES ID | MO0094307 |
| 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 | April 7, 2015 |
| Expiration date | April 30, 2020 |
| Address | Graham, MO 64455 |
| Receiving water | Tributary to Elkhorn Cr. |
| Subwatershed | Elkhorn Creek (HUC 102400100304) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 9Under a numeric limit
- 12With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 68 | 17 | February 29, 2020 | 100% over the limit |
| pH | 1 | 41 | 13 | September 30, 2021 | |
| BOD, 5-day, 20 deg. C | 3 | 59 | 8 | June 30, 2013 | 40% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 37 | 3 | June 30, 2025 | 163% over the limit |
| Solids, suspended percent removal | 0 | 9 | 2 | September 30, 2023 | 183% over the limit |
| Toxicity [acute], Ceriodaphnia dubia | 1 | 2 | 1 | October 31, 2019 | 2,147,483,650% over the limit |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 2 | 1 | October 31, 2019 | 2,147,483,650% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 55 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 26 | 0 | ||
| E. coli | 2 | 20 | 0 | ||
| BOD, 5-day, percent removal | 0 | 7 | 0 | ||
| Rainfall | 0 | 6 | 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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 23, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| June 17, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 20, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| December 21, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 20, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 26, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 26, 2020 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 23, 2020 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 23, 2020 | 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.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.