Clean Water Act discharge permit · NPDES MO0108162
ROCKAWAY BEACH WWTP, Rockaway Beach, MO: NPDES MO0108162 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
ROCKAWAY BEACH WWTP, held by City of Rockaway Beach, holds NPDES permit MO0108162, which discharges to Lake Taneycomo. EPA’s file records it issued October 6, 2017 and expiring December 31, 2019. 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 | ROCKAWAY BEACH WWTP |
|---|---|
| Permittee as filed | City of Rockaway Beach |
| NPDES ID | MO0108162 |
| 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 | October 6, 2017 |
| Expiration date | December 31, 2019 |
| Address | Rockaway Beach, MO 65740 |
| Receiving water | Lake Taneycomo |
| Subwatershed | Lower Bull Creek-Lake Taneycomo (HUC 110100030108) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 14Under a numeric limit
- 11With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 2 | 97 | 54 | July 31, 2025 | 1,900% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 62 | 38 | September 30, 2019 | 4,054% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 48 | 14 | April 30, 2016 | 545% over the limit |
| E. coli, colony forming units [CFU] | 0 | 11 | 11 | April 30, 2016 | 99,999% over the limit |
| Solids, total suspended | 2 | 49 | 9 | April 30, 2016 | 425% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 8 | 6 | August 31, 2010 | 255% over the limit |
| Coliform, fecal general | 0 | 20 | 4 | August 31, 2010 | 11,650% over the limit |
| pH | 2 | 41 | 1 | February 29, 2016 | |
| Solids, suspended percent removal | 1 | 1 | 1 | January 31, 2024 | 504% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 24 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 12 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Aluminum, total recoverable | 2 | 0 | 0 | ||
| E. coli | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 0 | 0 | ||
| BOD, 5-day, percent removal | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 28, 2020 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 28, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| December 28, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| April 1, 2017 | 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.
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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 MO0108162 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.