Clean Water Act discharge permit · NPDES MO0132934
NORWALK LANDING WWTP, Shell Knob, MO: NPDES MO0132934 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NORWALK LANDING WWTP, held by Norwalk Landing, LLC, holds NPDES permit MO0132934, which discharges to Table Rock Lake. EPA’s file records it issued October 1, 2018 and expiring September 30, 2023. 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 | NORWALK LANDING WWTP |
|---|---|
| Permittee as filed | Norwalk Landing, LLC |
| NPDES ID | MO0132934 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 1, 2018 |
| Expiration date | September 30, 2023 |
| Address | Shell Knob, MO 65747 |
| Receiving water | Table Rock Lake |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Big Creek-Table Rock Lake (HUC 110100011204) |
| 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
- 11Pollutants on file
- 9Under a numeric limit
- 11With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 8 | 0 | ||
| pH | 2 | 8 | 0 | ||
| Solids, total suspended | 2 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 8 | 0 | ||
| Phosphorus, total [as P] | 2 | 8 | 0 | ||
| Aluminum, total recoverable | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Chlorine, total residual | 2 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 4 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 4 | 0 | ||
| E. coli | 2 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0132934.
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 20, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| March 20, 2023 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| March 20, 2023 | 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0132934.
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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 MO0132934 there.
Nearby on the register
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- Every permit record in Shell Knob, A to Z
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.