Clean Water Act discharge permit · NPDES SDR10K820
LEWIS & CLARK MADISON 3B/4, Madison, SD: NPDES SDR10K820 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LEWIS & CLARK MADISON 3B/4, held by Lewis & Clark Regional Water System, holds NPDES permit SDR10K820. EPA’s file records it issued August 25, 2022 and expiring March 31, 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.
What the register holds for LEWIS & CLARK MADISON 3B/4: its NPDES ID, its permit type and status, its dates, its address in Madison, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDR10K820.
Identity
| Facility as filed | LEWIS & CLARK MADISON 3B/4 |
|---|---|
| Permittee as filed | Lewis & Clark Regional Water System |
| NPDES ID | SDR10K820 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | August 25, 2022 |
| Expiration date | March 31, 2023 |
| Issuing agency | State |
| Address | Madison, SD 57042 |
| Subwatershed | Anderson Slough-Skunk Creek (HUC 101702031001) |
| NAICS | 237110 – Water and Sewer Line and Related Structures Construction |
| SIC | 1623 – Water, Sewer, And Utility Lines |
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
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES SDR10K820.
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 SDR10K820.
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, SDR10K820.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 SDR10K820 there.
Nearby on the register
- Discharge permits in Madison
- Every permit record in Madison, A to Z
- Discharge permits in South Dakota
- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.