Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MNG585164

SILVER LAKE WWTP, Silver Lake, MN: NPDES MNG585164 discharge permit, effluent exceedances, inspections, penalties

SILVER LAKE WWTP, held by Silver Lake city of, holds NPDES permit MNG585164. EPA’s file records it issued August 1, 2021 and expiring November 30, 2023. 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.

What the register holds for SILVER LAKE WWTP: its NPDES ID, its permit type and status, its dates, its address in Silver Lake, Minnesota, and 13 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MNG585164.

Identity

Facility as filedSILVER LAKE WWTP
Permittee as filedSilver Lake city of
NPDES IDMNG585164
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedAugust 1, 2021
Expiration dateNovember 30, 2023
Issuing agencySTA
AddressSilver Lake, MN 55381
SubwatershedOtter Creek (HUC 070102050305)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Flow, in conduit or thru treatment plant900
Solids, total suspended500
Phosphorus, total [as P]500
BOD, carbonaceous [5 day, 20 C]500
pH300
Nitrogen, total [as N]200
Nitrogen, Kjeldahl, total [as N]200
Nitrite + Nitrate total [as N]200
Precipitation, total defined period/in100
Oxygen, dissolved [DO]100
Nitrogen, ammonia total [as N]100
Coliform, fecal MPN + membrane ftl 44.5 C100
Solids, total dissolved100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MNG585164.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MNG585164.

Inspections

EPA’s inspection file holds no inspection for NPDES MNG585164.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MNG585164.

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, MNG585164.

Start the watch

How often?
  • 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 MNG585164 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers the NPDES permit MNG585164 held by Silver Lake city of for the SILVER LAKE WWTP in Silver Lake, MN, a publicly owned treatment works classed as a Minor Discharger and administratively continued. The register lists 13 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with EPA's file showing the permit issued August 1, 2021 and expiring November 30, 2023.