CITY OF HARDIN
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
406 N CHEYENNE AVE
HARDIN, MT 59034
View on map ↗ - County
- BIG HORN County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 1 · last May 14, 2024
- Total Penalties
- $0
- Registry ID
- 110020257586
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Effluent Violations - Numeric effluent violation | Dec 31, 2002 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| E. coli | DMR, Limited - Numeric Violation | 490.00 MPN/100mL | 252.00 | +94% | Oct 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,000.00 MPN/100mL | 1,260.00 | +59% | Mar 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,000.00 MPN/100mL | 1,260.00 | +59% | Jan 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,900.00 MPN/100mL | 252.00 | +654% | Oct 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 71.00 % | 85.00 | +93% | Apr 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 67.00 mg/L | 45.00 | +49% | Apr 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 28.00 % | 85.00 | +380% | Apr 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | Mar 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 800.00 MPN/100mL | 252.00 | +217% | Jun 2020 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | Jul 2019 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 74.00 % | 85.00 | +73% | Jun 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 400.00 MPN/100mL | 252.00 | +59% | May 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 4,500.00 MPN/100mL | 1,260.00 | +257% | Mar 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 264.00 MPN/100mL | 252.00 | +5% | Oct 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 264.00 MPN/100mL | 126.00 | +110% | Oct 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 135.00 MPN/100mL | 126.00 | +7% | Jun 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | Mar 2018 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.