NPDES MTPF00103 · Clean Water Act
GSK-HAMILTON, Hamilton, MT: NPDES MTPF00103 discharge permit, effluent exceedances, inspections, penalties
GSK-HAMILTON, Hamilton, Montana: Individual industrial user permit MTPF00103, held by GSK Pharmaceuticals; Administratively continued; issued June 1, 2013, term to December 31, 2019; Pharmaceutical Preparation Manufacturing.
- pH: 0 limits, 3 violations of any kind, 3 effluent exceedances, latest July 31, 2023.
- Methylene chloride: 2 limits, 16 violations of any kind.
- Isopropyl acetate: 2 limits, 16 violations of any kind.
- n-Amyl acetate: 2 limits, 16 violations of any kind.
- Acetone: 2 limits, 16 violations of any kind.
- Ethyl acetate: 2 limits, 16 violations of any kind.
- March 19, 2026: Evaluation (IU) (E).
GSK-HAMILTON among its neighbors
Its county: 92, 1 major; MTPF00103 is minor permit.
Other permits in the county
- ADIRONDAC APARTMENTS, Hamilton: MTR111747, minor, term to 2027-12-31
- ALPINE LOG HOMES, Hamilton: MTR000260, minor, term to 2006-09-30
- AP LOT 17 CENTENNIAL SUBDIVISION, Corvallis: MTR102451, minor, term to 2007-12-31
- ARBORS DEVELOPMENT PROJECT, Hamilton: MTR104858
- BITTERROOT HEALTH, Stevensville: MTR109308, minor, term to 2022-12-31
- BLACKFOOT COMMUNICATIONS, Darby: MTR111595
- BLACKFOOT TELEPHONE, Darby: MTR110380, minor, term to 2027-12-31
- BLACKFOOT TELEPHONE, Darby: MTR110964, minor, term to 2027-12-31
- BOULDER SCIENTIFIC MINING CO - DARBY MILL SITE, Darby: MTX000222
- CITY OF HAMILTON, Hamilton: MTL020028, minor, term to 2025-12-31
Identity
| Facility | GSK-HAMILTON |
|---|---|
| Permittee | GSK Pharmaceuticals |
| NPDES ID | MTPF00103 |
| Status | Administratively continued |
| Type | Individual industrial user permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | June 1, 2013 |
| Expires | December 31, 2019 |
| Address | Hamilton, MT 59840 |
| NAICS | 325412 – Pharmaceutical Preparation Manufacturing |
| SIC | 2834 – Pharmaceutical Preparations |
NPDES MTPF00103: effluent limits and exceedances
GSK-HAMILTON (NPDES MTPF00103): 6 pollutants on file, 5 limited; 6 with a violation of any kind, 1 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| pH | 0 | 3 | 3 | July 31, 2023 | |
| Methylene chloride | 2 | 16 | 0 | ||
| Isopropyl acetate | 2 | 16 | 0 | ||
| n-Amyl acetate | 2 | 16 | 0 | ||
| Acetone | 2 | 16 | 0 | ||
| Ethyl acetate | 2 | 16 | 0 |
NPDES MTPF00103: inspections, violations and enforcement
NPDES MTPF00103: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| March 19, 2026 | Evaluation (IU) | E |
NPDES MTPF00103 (GSK-HAMILTON): no single-event violation, formal enforcement action and informal enforcement action on file.
Watch NPDES MTPF00103
NPDES MTPF00103: one email when its EPA record changes — $99/month.
Permits near NPDES MTPF00103
NPDES MTPF00103: 6 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.