Clean Water Act discharge permit · NPDES SDG589601
CITY OF MISSION LAGOONS, Mission, SD: NPDES SDG589601 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CITY OF MISSION LAGOONS, held by City of Mission, holds NPDES permit SDG589601, which discharges to Unnamed Tributary To Antelope Lake. EPA’s file records it issued April 5, 2016 and expiring December 31, 2020. 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 | CITY OF MISSION LAGOONS |
|---|---|
| Permittee as filed | City of Mission |
| NPDES ID | SDG589601 |
| 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 | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 5, 2016 |
| Expiration date | December 31, 2020 |
| Issuing agency | US EPA REGION 8 |
| Address | Mission, SD 57555 |
| Receiving water | UNNAMED TRIBUTARY TO ANTELOPE LAKE |
| Subwatershed | Antelope Lake-Antelope Creek (HUC 101500060103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 10Under a numeric limit
- 17With 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 | 6 | 101 | 0 | ||
| Solids, total suspended | 6 | 101 | 0 | ||
| pH | 6 | 88 | 0 | ||
| Temperature, water deg. centigrade | 6 | 56 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 56 | 0 | ||
| Flow, total | 6 | 52 | 0 | ||
| Oil & Grease | 3 | 40 | 0 | ||
| Oil and grease visual | 3 | 40 | 0 | ||
| Nitrogen, total [as N] | 3 | 38 | 0 | ||
| Phosphorus, total [as P] | 3 | 38 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 28 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 24 | 0 | ||
| E. coli | 0 | 24 | 0 | ||
| Nitrogen, Kjeldahl Total | 0 | 24 | 0 | ||
| Floating solids, waste or visible foam-visual | 0 | 14 | 0 | ||
| BOD, 5-day, percent removal | 0 | 12 | 0 | ||
| Solids, suspended percent removal | 0 | 12 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SDG589601.
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 SDG589601.
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 SDG589601 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.