Non-Compliance
Clean Water Act
GRASSLAND SUBDIVISION
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
-
I 15 FRONTAGE RD
HELENA, MT 59602
View on map ↗ - County
- LEWIS AND CLARK County
- Inspections
- 1 · last Nov 19, 2025
- Total Penalties
- $0
- Registry ID
- 110024581816
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.
5
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 - Improper Operation and Maintenance | Nov 19, 2025 | Dec 22, 2025 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Nov 19, 2025 | Dec 22, 2025 | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 2.37 kg/d | 1.67 | +42% | Dec 2024 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 2.10 kg/d | 1.67 | +26% | Dec 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 2.65 kg/d | 1.67 | +59% | Sep 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 1.79 kg/d | 1.67 | +8% | Mar 2023 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 3.05 kg/d | 1.67 | +83% | Dec 2022 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 2.38 kg/d | 1.67 | +43% | Mar 2022 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 1.71 kg/d | 1.67 | +2% | Mar 2021 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 1.88 kg/d | 1.71 | +10% | Aug 2016 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 1.95 kg/d | 1.71 | +14% | Jul 2016 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 1.86 kg/d | 1.71 | +9% | Apr 2015 | Open |
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