Clean Water Act discharge permit · NPDES MTX000307
LCWSD RAPID INFILTRATION SYSTEM, Kalispell, MT: NPDES MTX000307 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LCWSD RAPID INFILTRATION SYSTEM, held by Lakeside County Water and Sewer District, holds NPDES permit MTX000307, which discharges to Ground Water. EPA’s file records it issued April 28, 2025 and expiring May 31, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LCWSD RAPID INFILTRATION SYSTEM |
|---|---|
| Permittee as filed | Lakeside County Water and Sewer District |
| NPDES ID | MTX000307 |
| Permit status | Effective |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 28, 2025 |
| Expiration date | May 31, 2030 |
| Address | Kalispell, MT 59901 |
| Receiving water | GROUND WATER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Flathead Lake-Somers (HUC 170102080301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 12Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 14 | 56 | 0 | ||
| Nitrogen, ammonia total [as N] | 8 | 32 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 8 | 32 | 0 | ||
| Nitrite + Nitrate total [as N] | 8 | 32 | 0 | ||
| Phosphorus, total [as P] | 10 | 28 | 0 | ||
| Flow rate | 9 | 24 | 0 | ||
| E. coli, MTEC-MF | 6 | 24 | 0 | ||
| Temperature, water deg. centigrade | 4 | 16 | 0 | ||
| Depth, max of sample | 4 | 16 | 0 | ||
| Specific conductance | 4 | 16 | 0 | ||
| Chloride [as Cl] | 4 | 16 | 0 | ||
| Water level at sample collection time | 4 | 16 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTX000307.
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 MTX000307.
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
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, MTX000307.
Start the watch
- 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 MTX000307 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 14, 2026.