Clean Water Act discharge permit · NPDES SD0023752
MONROE, TOWN OF, Monroe, SD: NPDES SD0023752 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
MONROE, TOWN OF, held by Monroe, Town of, holds NPDES permit SD0023752, which discharges to Dry Run Creek. EPA’s file records it issued May 1, 2017 and expiring March 31, 2022. 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 | MONROE, TOWN OF |
|---|---|
| Permittee as filed | Monroe, Town of |
| NPDES ID | SD0023752 |
| 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 1, 2017 |
| Expiration date | March 31, 2022 |
| Issuing agency | SDDENR |
| Address | Monroe, SD 57047 |
| Receiving water | Dry Run Creek |
| Subwatershed | Rumpus Ridge-East Fork Vermillion River (HUC 101701020404) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 6With 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] | 16 | 3 | 3 | August 31, 2024 | 147% over the limit |
| pH | 2 | 1 | 1 | October 31, 2018 | |
| BOD, 5-day, 20 deg. C | 2 | 2 | 0 | ||
| Solids, total suspended | 2 | 2 | 0 | ||
| Flow rate | 2 | 1 | 0 | ||
| E. coli, colony forming units [CFU] | 2 | 1 | 0 | ||
| Temperature, water deg. centigrade | 2 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Flowing, Receiving Stream | 1 | 0 | 0 | ||
| Duration of discharge | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SD0023752.
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 SD0023752 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.