Clean Water Act discharge permit · NPDES SDG860045
WATERTOWN, CITY OF (WTP), Watertown, SD: NPDES SDG860045 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
WATERTOWN, CITY OF (WTP), held by WATERTOWN WTP, holds NPDES permit SDG860045, which discharges to Lake Kampeska, Lake Pelican, Big Si. EPA’s file records it issued December 20, 2018 and expiring September 30, 2021. 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 | WATERTOWN, CITY OF (WTP) |
|---|---|
| Permittee as filed | WATERTOWN WTP |
| NPDES ID | SDG860045 |
| 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 |
| Issued | December 20, 2018 |
| Expiration date | September 30, 2021 |
| Issuing agency | SDDANR |
| Address | Watertown, SD 57201 |
| Receiving water | Lake Kampeska, Lake Pelican, Big Si |
| Subwatershed | Willow Creek-Big Sioux River (HUC 101702010903) |
| NAICS | 221310 – Water Supply and Irrigation Systems |
| SIC | 4941 – Water Supply |
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
- 8Pollutants on file
- 8Under a numeric limit
- 1With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| pH | 2 | 3 | 3 | December 31, 2021 | |
| Temperature, water deg. centigrade | 1 | 0 | 0 | ||
| Flow rate | 1 | 0 | 0 | ||
| Solids, total suspended | 1 | 0 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 | ||
| Flow, total | 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 SDG860045.
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 SDG860045 there.
Nearby on the register
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.