Clean Water Act discharge permit · NPDES MTX000192
SUNLIGHT BUSINESS PARK WASTEWATER TREATMENT SYSTEM, Whitehall, MT: NPDES MTX000192 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
SUNLIGHT BUSINESS PARK WASTEWATER TREATMENT SYSTEM, held by JEFFERSON LOCAL DEVELOPMENT CORP, holds NPDES permit MTX000192, which discharges to Jefferson River Slough. EPA’s file records it issued November 10, 2014 and expiring December 31, 2019. 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 | SUNLIGHT BUSINESS PARK WASTEWATER TREATMENT SYSTEM |
|---|---|
| Permittee as filed | JEFFERSON LOCAL DEVELOPMENT CORP |
| NPDES ID | MTX000192 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 10, 2014 |
| Expiration date | December 31, 2019 |
| Address | Whitehall, MT 59759 |
| Receiving water | JEFFERSON RIVER SLOUGH |
| Subwatershed | Jefferson Slough (HUC 100200050503) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 13Under a numeric limit
- 16With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 6 | 17 | 1 | June 30, 2023 | 945% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 4 | 13 | 0 | ||
| Specific conductance | 1 | 13 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 12 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 10 | 0 | ||
| E. coli, MTEC-MF | 2 | 10 | 0 | ||
| Chloride [as Cl] | 1 | 5 | 0 | ||
| Water level at sample collection time | 1 | 4 | 0 | ||
| Phosphorus, total [as P] | 1 | 3 | 0 | ||
| Temperature, water deg. centigrade | 0 | 3 | 0 | ||
| Monitoring well level from the surface | 0 | 3 | 0 | ||
| Flow rate | 2 | 2 | 0 | ||
| Count of samples collected in reporting period | 0 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 1 | 0 | ||
| Solids, total suspended | 1 | 1 | 0 | ||
| pH | 0 | 1 | 0 | ||
| Report due [yrmoda] | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 23, 2026 | Reporting Violations - Late Submittal of DMRs | ST6 |
| January 23, 2026 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| January 23, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| January 23, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 23, 2026 | Management Practice Violations - Failure to Maintain Records | ST6 |
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
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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 MTX000192 there.
Nearby on the register
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- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.