Non-Compliance
Clean Water Act
TWIN ARROWS CASINO
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
-
22503 RESORT BLVD
FLAGSTAFF, AZ 86004
View on map ↗ - County
- COCONINO County
- Inspections
- 2 · last Dec 2, 2025
- Total Penalties
- $0
- Registry ID
- 110059716776
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.
6
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 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | May 10, 2025 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Aug 1, 2024 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Apr 15, 2024 | — | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,266,000.00 mg/L | 1,000,000.00 | +27% | Jul 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 72.80 % | 85.00 | +81% | Nov 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 72.10 % | 85.00 | +86% | Oct 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,485,000.00 mg/L | 1,000,000.00 | +49% | Mar 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.80 kg/d | 14.10 | +55% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 128.00 mg/L | 45.00 | +184% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 26.13 kg/d | 21.20 | +23% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 128.00 mg/L | 30.00 | +327% | Mar 2019 | Open |
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