Clean Water Act discharge permit · NPDES MN0021628
KENYON WWTP, Kenyon, MN: NPDES MN0021628 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
KENYON WWTP, held by KENYON, holds NPDES permit MN0021628, which discharges to Zumbro R Via Pearl Cr. EPA’s file records it issued March 25, 2015 and expiring February 29, 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 | KENYON WWTP |
|---|---|
| Permittee as filed | KENYON |
| NPDES ID | MN0021628 |
| 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 | March 25, 2015 |
| Expiration date | February 29, 2020 |
| Address | Kenyon, MN 55946 |
| Receiving water | ZUMBRO R VIA PEARL CR |
| Subwatershed | Pearl Creek-North Fork Zumbro River (HUC 070400040402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 0Under a numeric limit
- 11With a violation of any kind
- 4With 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, carbonaceous [5 day, 20 C] | 0 | 15 | 7 | February 28, 2026 | 40% over the limit |
| Mercury, total [as Hg] | 0 | 6 | 6 | September 30, 2025 | 160% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 0 | 6 | 6 | April 30, 2026 | 73% over the limit |
| Chlorine, total residual | 0 | 11 | 1 | July 31, 2024 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 20 | 0 | ||
| pH | 0 | 8 | 0 | ||
| Solids, total suspended | 0 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 7 | 0 | ||
| Temperature, water deg. centigrade | 0 | 5 | 0 | ||
| Coliform, fecal MPN + membrane ftl 44.5 C | 0 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 3 | 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 MN0021628.
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, MN0021628.
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 MN0021628 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.