Clean Water Act discharge permit · NPDES MO0101346
ARBYRD WWTF, Arbyrd, MO: NPDES MO0101346 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
ARBYRD WWTF, held by City of Arbyrd, holds NPDES permit MO0101346, which discharges to Tributary To Honey Cypress Ditch. EPA’s file records it issued May 24, 2017 and expiring September 30, 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 | ARBYRD WWTF |
|---|---|
| Permittee as filed | City of Arbyrd |
| NPDES ID | MO0101346 |
| 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 | May 24, 2017 |
| Expiration date | September 30, 2020 |
| Address | Arbyrd, MO 63821 |
| Receiving water | Tributary to Honey Cypress Ditch |
| Subwatershed | Honey Cypress Ditch-Buffalo Creek Ditch (HUC 080202040803) |
| 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
- 23Pollutants on file
- 11Under a numeric limit
- 21With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 151 | 77 | January 31, 2020 | 393% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 128 | 54 | June 30, 2019 | 873% over the limit |
| pH | 2 | 87 | 15 | April 30, 2019 | |
| BOD, 5-day, percent removal | 1 | 37 | 13 | January 31, 2020 | 402% over the limit |
| Solids, suspended percent removal | 1 | 36 | 12 | January 31, 2020 | 567% over the limit |
| E. coli, colony forming units [CFU] | 0 | 10 | 8 | June 30, 2015 | 14,657% over the limit |
| E. coli | 2 | 35 | 3 | October 31, 2018 | 531% over the limit |
| Chlorine, total residual | 0 | 4 | 2 | October 31, 2014 | 400% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 73 | 1 | September 30, 2009 | 22% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 3 | 1 | December 31, 2015 | 53% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 50 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 48 | 0 | ||
| Application rate area sprayed | 0 | 6 | 0 | ||
| Application rate, gallons spray irrigation | 0 | 6 | 0 | ||
| Spray irrigation | 0 | 6 | 0 | ||
| Spray irrigation, application rate | 0 | 6 | 0 | ||
| Rainfall | 0 | 4 | 0 | ||
| Temperature, water deg. centigrade | 0 | 2 | 0 | ||
| Nitrogen, nitrite total [as N] | 0 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| Freeboard | 0 | 2 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 0 | 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
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 21, 2022 | Management Practice Violations - No Licensed/Certified Operator | ST6 |
| November 21, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| November 21, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| November 21, 2019 | Management Practice Violations - No Licensed/Certified Operator | ST6 |
| June 27, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| July 5, 2018 | 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.
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 MO0101346 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.