PIMA COUNTY - INA ROAD WWTP
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
-
7101 N CASA GRANDE HWY
TUCSON, AZ 85743
View on map ↗ - County
- PIMA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 3 · last Dec 10, 2024
- Total Penalties
- $0 · last Dec 29, 1986
- Registry ID
- 110039276404
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
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 | Effluent Violations - Numeric effluent violation | Dec 4, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Oct 4, 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 | 4,800,000.00 mg/L | 2,000,000.00 | +140% | Oct 2025 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +63% | Aug 2024 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +3% | Aug 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2,380,000.00 mg/L | 1,000,000.00 | +138% | Nov 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,730,000.00 mg/L | 1,000,000.00 | +73% | Nov 2017 | Resolved |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.01 | +571% | Sep 2017 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 11.00 kg/d | 3.00 | +267% | Sep 2017 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 5.90 kg/d | 1.50 | +293% | Sep 2017 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +525% | Sep 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2,480,000.00 mg/L | 1,000,000.00 | +148% | Aug 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,780,000.00 mg/L | 1,000,000.00 | +78% | Aug 2017 | 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.