Non-Compliance
Clean Water Act
GRAND CANYON NORTH RIM 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
-
298 HIGHWAY 64
GRAND CANYON, AZ 86023
View on map ↗ - County
- COCONINO County
- Inspections
- 1 · last Sep 28, 2022
- Total Penalties
- $0
- Registry ID
- 110015970029
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.
12
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 | Effluent Violations - Numeric effluent violation | Feb 25, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Feb 11, 2025 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Aug 4, 2023 | — | Open |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Aug 4, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Aug 4, 2023 | — | Open |
| cwa | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | Aug 4, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 6, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 29, 2021 | — | Open |
| cwa | Monitoring Violations - Analysis not Conducted | Feb 8, 2021 | — | 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 |
|---|---|---|---|---|---|---|
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +13% | Dec 2024 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +128% | Dec 2024 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +98% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4,600,000.00 mg/L | 1,000,000.00 | +360% | May 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4,600,000.00 mg/L | 2,000,000.00 | +130% | May 2024 | Open |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 482.00 mg/L | 400.00 | +21% | Dec 2023 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +65% | Dec 2023 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +73% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,560,000.00 mg/L | 1,000,000.00 | +56% | Jun 2023 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.01 | +518% | Jun 2022 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.02 | +196% | Jun 2022 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 kg/d | 0.01 | +200% | Jun 2022 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 4.00 toxic | 1.00 | +300% | Dec 2021 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 8.00 toxic | 1.00 | +700% | Dec 2021 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.31 mg/L | 0.02 | +1,248% | Dec 2021 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.05 kg/d | 0.01 | +292% | Dec 2021 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 8.00 toxic | 1.60 | +400% | Dec 2021 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 4.00 toxic | 1.60 | +150% | Dec 2021 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.01 | +471% | Dec 2021 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.31 mg/L | 0.01 | +2,718% | Dec 2021 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.02 | +265% | Jun 2021 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +85% | Jun 2021 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 kg/d | 0.01 | +63% | Jun 2021 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.01 | +664% | Jun 2021 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 8.00 toxic | 1.60 | +400% | Dec 2020 | Open |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 1.15 toxic | 1.00 | +15% | Dec 2020 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +82% | Dec 2020 | Open |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | DMR, Limited - Numeric Violation | 6.00 toxic | 1.00 | +500% | Dec 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 66.00 mg/L | 45.00 | +47% | Aug 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 66.00 mg/L | 30.00 | +120% | Aug 2019 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +64% | Jun 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2,310,000.00 mg/L | 1,000,000.00 | +131% | Jun 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2,310,000.00 mg/L | 1,000,000.00 | +131% | Jun 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4,530,000.00 mg/L | 1,000,000.00 | +353% | May 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4,530,000.00 mg/L | 1,000,000.00 | +353% | May 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,550,000.00 mg/L | 1,000,000.00 | +55% | May 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1,550,000.00 mg/L | 1,000,000.00 | +55% | May 2018 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +97% | Jun 2017 | 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.
CWA 309A AO For Compliance
Clean Water Act
· Case 09-1994-N021 · Jul 12, 1994
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