Non-Compliance
Clean Water Act
CHS INC
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $138,600 in total penalties since records began.
- Address
-
802 HIGHWAY 212 SOUTH
LAUREL, MT 59044
View on map ↗ - County
- YELLOWSTONE County
- Inspections
- 3 · last Feb 11, 2026
- Total Penalties
- $138,600 · last Dec 10, 2025
- Registry ID
- 110064649000
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.
9
Water (CWA)
Qtrs Non-Compliant
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 | Management Practice Violations - Failure to Maintain Records | Feb 11, 2026 | Mar 9, 2026 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Feb 11, 2026 | Mar 9, 2026 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Aug 16, 2024 | Sep 24, 2024 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Aug 16, 2024 | Sep 24, 2024 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Aug 16, 2024 | Sep 24, 2024 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Jun 16, 2016 | Sep 23, 2016 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Jun 16, 2016 | Sep 23, 2016 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Jun 16, 2016 | Sep 23, 2016 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 28, 2016 | Jun 27, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 28, 2016 | — | Open |
| cwa | Schedule Event reported late | Jan 28, 2016 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 28, 2016 | Jun 27, 2016 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 281.53 kg/d | 241.53 | +17% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 243.62 kg/d | 189.77 | +28% | Jan 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 530.27 kg/d | 281.48 | +88% | May 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 202.03 kg/d | 150.27 | +34% | May 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 299.19 kg/d | 281.48 | +6% | Mar 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 182.05 kg/d | 150.27 | +21% | Mar 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 207.48 kg/d | 150.27 | +38% | Feb 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 581.12 kg/d | 281.48 | +106% | Feb 2024 | Resolved |
| Chemical Oxygen Demand [COD] | DMR, Limited - Numeric Violation | 2,518.79 kg/d | 2,008.95 | +25% | Feb 2024 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 19.00 mg/L | 10.00 | +90% | Nov 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 26.00 mg/L | 10.00 | +160% | Sep 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 251.11 kg/d | 241.53 | +4% | Sep 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 491.23 kg/d | 281.48 | +75% | Jul 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 286.02 kg/d | 150.27 | +90% | May 2015 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 1,350.65 kg/d | 281.48 | +380% | May 2015 | Resolved |
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.
State CWA Penalty AO
Clean Water Act
· Case MT-FID2991 · Dec 10, 2025
$69,300
State Administrative Order of Consent
Clean Water Act
· Case MT-FID2523 · Dec 28, 2016
$2,205
State Administrative Order of Consent
Clean Water Act
· Case MT-FID1992 · May 16, 2011
$1,320
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