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Clean Water Act discharge permit · NPDES MNG490531

STONEY CREEK SAND & GRAVEL, Kelliher, MN: NPDES MNG490531 discharge permit, effluent exceedances, inspections, penalties

STONEY CREEK SAND & GRAVEL, held by Stoney Creek Sand & Gravel, holds NPDES permit MNG490531. EPA’s file records it issued April 1, 2018 and expiring May 31, 2022.

STONEY CREEK SAND & GRAVEL, Kelliher, Minnesota: Coverage under a general permit MNG490531, held by Stoney Creek Sand & Gravel; Administratively continued (past its expiration date and still in force until reissued); issued April 1, 2018, term to May 31, 2022, by STA.

  • Solids, total suspended: 2 limits, 7 violations of any kind, 1 effluent exceedance, latest March 31, 2023, largest 49% over the limit.
  • pH: 4 limits, 13 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 4 limits, 12 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
  • Nitrite + Nitrate total [as N]: 2 limits, 1 violation of any kind, 0 effluent exceedances.

STONEY CREEK SAND & GRAVEL among its neighbors

EPA’s permit file holds 1 discharge permits in the Upper North Cormorant River subwatershed (HUC 090203020608), MNG490531 among them. Its county holds 10, 1 of them major permits; MNG490531 is a minor permit.

Identity

Facility as filedSTONEY CREEK SAND & GRAVEL
Permittee as filedStoney Creek Sand & Gravel
NPDES IDMNG490531
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 1, 2018
Expiration dateMay 31, 2022
Issuing agencySTA
AddressKelliher, MN 56650
Receiving water impaired303(D) Listed
SubwatershedUpper North Cormorant River (HUC 090203020608)

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
Solids, total suspended271March 31, 202349% over the limit
pH4130
Flow, in conduit or thru treatment plant4120
Phosphorus, total [as P]260
Nitrogen, Kjeldahl, total [as N]210
Nitrite + Nitrate total [as N]210

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MNG490531.

Inspections

EPA’s inspection file holds no inspection for NPDES MNG490531.

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 MNG490531.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit MNG490531, held by Stoney Creek Sand & Gravel in Kelliher, MN, which EPA's file records as issued April 1, 2018, with an expiration date of May 31, 2022, and listed as administratively continued. The permit lists 6 pollutants on file, 6 under a numeric limit, 6 with a violation of any kind, and 1 with an effluent exceedance, within the Upper North Cormorant River subwatershed (HUC 090203020608).