Clean Water Act discharge permit · NPDES MOGDS0189
CDC W-20, Eldon, MO: NPDES MOGDS0189 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
CDC W-20, held by Davidson Construction, holds NPDES permit MOGDS0189, which discharges to Tributary To Lake Of The Ozarks. EPA’s file records it issued August 28, 2024 and expiring June 30, 2029. 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 | CDC W-20 |
|---|---|
| Permittee as filed | Davidson Construction |
| NPDES ID | MOGDS0189 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 28, 2024 |
| Expiration date | June 30, 2029 |
| Address | Eldon, MO 65026 |
| Receiving water | Tributary to Lake of the Ozarks |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lick Branch-Lake of the Ozarks (HUC 102901090407) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 8With a violation of any kind
- 2With 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] | 8 | 5 | 3 | June 30, 2026 | 250% over the limit |
| E. coli | 2 | 6 | 2 | December 31, 2025 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 2 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 2 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Solids, total suspended | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Chlorine, total residual | 2 | 2 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MOGDS0189.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, MOGDS0189.
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- One watershed — $2,990/year
- One state — $4,990/year
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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 MOGDS0189 there.
Nearby on the register
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.