Clean Water Act discharge permit · NPDES MT0000221
LINCOLN COUNTY PORT AUTHORITY LCPA, Libby, MT: NPDES MT0000221 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
LINCOLN COUNTY PORT AUTHORITY LCPA holds NPDES permit MT0000221, which discharges to Kootenai River. EPA’s file records it issued August 25, 2010 and expiring September 30, 2015. 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 | LINCOLN COUNTY PORT AUTHORITY LCPA |
|---|---|
| Permittee as filed | LINCOLN COUNTY PORT AUTHORITY LCPA |
| NPDES ID | MT0000221 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 25, 2010 |
| Expiration date | September 30, 2015 |
| Issuing agency | MONTANA DEQ |
| Address | Libby, MT 59923 |
| Receiving water | KOOTENAI RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Libby Creek (HUC 170101010805) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 23Pollutants on file
- 16Under a numeric limit
- 23With 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 |
|---|---|---|---|---|---|
| pH | 3 | 80 | 1 | December 31, 2004 | |
| Iron, total recoverable | 1 | 22 | 1 | March 31, 2007 | 2% over the limit |
| Cadmium, total recoverable | 0 | 5 | 1 | September 30, 2007 | 156% over the limit |
| Solids, total suspended | 5 | 101 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 95 | 0 | ||
| Flow rate | 4 | 76 | 0 | ||
| E. coli, MTEC-MF | 4 | 38 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 38 | 0 | ||
| Chlorine, total residual | 2 | 38 | 0 | ||
| Oil and grease visual | 1 | 21 | 0 | ||
| BOD, 5-day, percent removal | 1 | 19 | 0 | ||
| Solids, suspended percent removal | 1 | 19 | 0 | ||
| Temperature, water deg. centigrade | 0 | 9 | 0 | ||
| Oil and grease, hexane extr method | 1 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 6 | 0 | ||
| Zinc, total recoverable | 0 | 4 | 0 | ||
| Lead, total recoverable | 0 | 4 | 0 | ||
| Chromium, total recoverable | 0 | 4 | 0 | ||
| Copper, total recoverable | 0 | 4 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Phosphorus, total [as P] | 2 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 1 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 12, 2021 | Management Practice Violations - Failure to Maintain Records | ST6 |
| May 12, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 12, 2021 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| May 12, 2021 | Effluent Violations - Unauthorized Discharge | 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.
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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 MT0000221 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.