Clean Water Act
NORTHERN ARIZONA UNIVERSITY MS4
Quick Summary
- •Assessed $0 in total penalties since records began.
- Address
-
NO ADDRESS ON FILE
UNKNOWN, AZ 85016
View on map ↗ - County
- MARICOPA County
- Inspections
- 2 · last Feb 11, 2025
- Total Penalties
- $0
- Registry ID
- 110010063545
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 | Failure to comply with a requirement regarding Construction Site Runoff Control | Jun 16, 2022 | — | Open |
| cwa | Failure to comply with a requirement regarding Post-Construction Runoff Control | Jun 16, 2022 | — | Open |
| cwa | Failure to comply with a requirement regarding Illicit Discharge Detection and Elimination | Jun 16, 2022 | — | 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, colony forming units [CFU] | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 575.00 | +321% | May 2025 | Open |
| Benzo[a]pyrene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +4,900% | May 2025 | Open |
| Benzo[a]anthracene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +19,900% | May 2025 | Open |
| Chrysene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +19,900% | May 2025 | Open |
| Benzo[a]pyrene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +400% | May 2025 | Open |
| Benzo[a]anthracene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +400% | May 2025 | Open |
| Benzo[k]fluoranthene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +19,900% | May 2025 | Open |
| Dibenz[a,h]anthracene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +19,900% | May 2025 | Open |
| Indeno[1,2,3-cd]pyrene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +1,900% | May 2025 | 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.
Administrative - Formal
· Case 09-2012-2004 · Apr 19, 2013
CWA 309A AO For Compliance
Clean Water Act
· Case 09-2010-N003 · Mar 11, 2010
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