Clean Water Act discharge permit · NPDES MN0048968
PURIS PROTEINS LLC, Dawson, MN: NPDES MN0048968 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 25Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
PURIS PROTEINS LLC, held by Puris Proteins LLC, holds NPDES permit MN0048968. EPA’s file records it issued June 1, 2021 and expiring May 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PURIS PROTEINS LLC |
|---|---|
| Permittee as filed | Puris Proteins LLC |
| NPDES ID | MN0048968 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 1, 2021 |
| Expiration date | May 31, 2026 |
| Issuing agency | STA |
| Address | Dawson, MN 56232 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lac Qui Parle River (HUC 070200030705) |
| SIC | 2099 – Food Preparations |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 25Pollutants on file
- 25Under a numeric limit
- 24With a violation of any kind
- 3With 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] | 6 | 10 | 4 | October 31, 2025 | 1,343% over the limit |
| Solids, total suspended | 6 | 8 | 2 | April 30, 2025 | 33% over the limit |
| Phosphorus, total [as P] | 4 | 6 | 2 | May 31, 2023 | 40% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 3 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Chloride [as Cl] | 2 | 2 | 0 | ||
| Chemical Oxygen Demand [COD] | 2 | 2 | 0 | ||
| Chlorine, total residual | 1 | 2 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 1 | 0 | ||
| Stream flow, instantaneous | 1 | 1 | 0 | ||
| Specific conductance | 1 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Bicarbonate ion- [as HCO3] | 1 | 1 | 0 | ||
| Nitrogen, total [as N] | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 1 | 0 | ||
| Calcium, total [as Ca] | 1 | 1 | 0 | ||
| Magnesium, total [as Mg] | 1 | 1 | 0 | ||
| Sodium, total [as Na] | 1 | 1 | 0 | ||
| Potassium, total [as K] | 1 | 1 | 0 | ||
| Sulfate, total [as SO4] | 1 | 1 | 0 | ||
| Hardness, Ca Mg Calculated [mg/L as CaCO3] | 1 | 1 | 0 | ||
| Solids, total dissolved | 1 | 1 | 0 | ||
| Coliform, fecal MPN + membrane ftl 44.5 C | 1 | 0 | 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 MN0048968.
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.
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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 MN0048968 there.
Nearby on the register
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- Every permit record in Minnesota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.