Clean Water Act discharge permit · NPDES MNG490115
BRUENING ROCK PRODUCTS INC - HARMONY, Harmony, MN: NPDES MNG490115 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 1Formal enforcement actions
BRUENING ROCK PRODUCTS INC - HARMONY, held by Bruening Rock Products Inc, holds NPDES permit MNG490115. EPA’s file records it issued May 5, 2023 and expiring May 31, 2027.
BRUENING ROCK PRODUCTS INC - HARMONY, Harmony, Minnesota: Coverage under a general permit MNG490115, held by Bruening Rock Products Inc; Effective; issued May 5, 2023, term to May 31, 2027, by STA.
- pH: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- June 16, 2026: State CWA Penalty AO (State), $16,410 state or local penalty.
BRUENING ROCK PRODUCTS INC - HARMONY among its neighbors
EPA’s permit file holds 1 discharge permits in the Miller Creek subwatershed (HUC 070400010704), MNG490115 among them. Its county holds 17, 0 of them major permits; MNG490115 is a minor permit.
Identity
| Facility as filed | BRUENING ROCK PRODUCTS INC - HARMONY |
|---|---|
| Permittee as filed | Bruening Rock Products Inc |
| NPDES ID | MNG490115 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 5, 2023 |
| Expiration date | May 31, 2027 |
| Issuing agency | STA |
| Address | Harmony, MN 55939 |
| Subwatershed | Miller Creek (HUC 070400010704) |
| SIC | 1422 – Crushed And Broken Limestone |
Effluent limits and exceedances
- 4Pollutants on file
- 0Under a numeric limit
- 4With 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 |
|---|---|---|---|---|---|
| pH | 0 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 4 | 0 | ||
| Solids, total suspended | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MNG490115.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MNG490115.
Inspections
EPA’s inspection file holds no inspection for NPDES MNG490115.
Formal enforcement and penalties
1 formal actions, 1 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.
| Date | What EPA recorded | Agency | Federal penalty | State or local penalty |
|---|---|---|---|---|
| June 16, 2026 | State CWA Penalty AO | State | $16,410 |
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MNG490115.
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, MNG490115.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.