Non-Compliance
Clean Water Act
NATURE TRAILS MHP WWTP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $7,219 in total penalties since records began.
- Address
-
101 NATURE TRAIL
CHAPEL HILL, NC 27517
View on map ↗ - County
- ORANGE County
- Inspections
- 1 · last Jul 18, 2022
- Total Penalties
- $7,219 · last Feb 3, 2026
- Registry ID
- 110009844482
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.
11
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 | Schedule Event achieved late but reported | Feb 22, 2008 | — | Open |
| cwa | Violation Detected During Inspection | Jan 26, 2007 | — | Open |
| cwa | Violation Detected During Inspection | Oct 20, 2006 | — | 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 | 6.76 mg/L | 5.20 | +30% | Jan 2026 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.04 MGD | 0.04 | +3% | Dec 2025 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Overdue | 2,400.00 MPN/100mL | 400.00 | +500% | Aug 2025 | Resolved |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 400.00 | +500% | Aug 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.05 mg/L | 2.60 | +94% | Apr 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 62.00 mg/L | 25.50 | +143% | Jan 2025 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 400.00 | +500% | Dec 2024 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 400.00 | +500% | Oct 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 31.00 mg/L | 25.50 | +22% | Jul 2024 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 400.00 | +500% | Jun 2024 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 547.36 MPN/100mL | 200.00 | +174% | Jun 2024 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 400.00 | +300% | May 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.13 mg/L | 2.60 | +59% | Apr 2024 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 410.00 MPN/100mL | 400.00 | +3% | Apr 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 28.00 mg/L | 25.50 | +10% | Aug 2022 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,419.50 MPN/100mL | 400.00 | +505% | Jul 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.97 mg/L | 2.60 | +53% | May 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.00 mg/L | 13.00 | +15% | May 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.56 mg/L | 2.60 | +75% | Apr 2022 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 35.00 mg/L | 25.50 | +37% | Mar 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.63 mg/L | 5.20 | +47% | Feb 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.83 mg/L | 5.20 | +50% | Jan 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.46 mg/L | 5.20 | +43% | Dec 2021 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 25.50 | +25% | Dec 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 17.76 mg/L | 17.00 | +4% | Dec 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 26.00 mg/L | 25.50 | +2% | Jun 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 26.00 mg/L | 25.50 | +2% | Jun 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.07 mg/L | 2.00 | +4% | May 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 28.00 mg/L | 25.50 | +10% | May 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.59 mg/L | 2.00 | +80% | Apr 2021 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 400.00 | +500% | Feb 2021 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 550.00 MPN/100mL | 400.00 | +38% | Jul 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 26.00 mg/L | 25.50 | +2% | Jun 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 82.00 mg/L | 45.00 | +82% | Jun 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.03 mg/L | 2.00 | +1% | Apr 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 31.00 mg/L | 25.50 | +22% | Feb 2020 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +505% | Aug 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.72 mg/L | 2.00 | +136% | Jul 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.04 | +13% | Dec 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.14 mg/L | 2.00 | +7% | Apr 2018 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 400.00 | +505% | Apr 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.30 mg/L | 5.00 | +46% | Nov 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 27.00 mg/L | 25.00 | +8% | Nov 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 29.00 mg/L | 25.50 | +14% | May 2017 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 400.00 | +505% | May 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.54 mg/L | 2.00 | +27% | Apr 2017 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | 1,700.00 MPN/100mL | 400.00 | +325% | Nov 2016 | 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.
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2026-0049 · Feb 3, 2026
$431
State CWA Penalty AO
Clean Water Act
· Case NC-MV-2025-0012 · Dec 2, 2025
$193
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2025-0393 · Nov 6, 2025
$674
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2025-0252 · Aug 6, 2025
$377
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2025-0169 · Jun 19, 2025
$652
State CWA Penalty AO
Clean Water Act
· Case NC-LM-2025-0013 · Apr 25, 2025
$395
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2024-0316 · Oct 11, 2024
$1,357
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2024-0322 · Oct 11, 2024
$332
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2024-0016 · Feb 21, 2024
$335
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2023-0065 · Feb 23, 2023
$230
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2023-0064 · Feb 23, 2023
$417
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2022-0252 · Oct 7, 2022
$356
State CWA Penalty AO
Clean Water Act
· Case NC-LM-2022-0039 · Aug 24, 2022
$194
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2022-0206 · Aug 11, 2022
$294
State CWA Penalty AO
Clean Water Act
· Case NC-LM-2022-0033 · Aug 5, 2022
$294
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2022-0158 · Aug 4, 2022
$394
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2022-0077 · Mar 25, 2022
$294
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2021-0032 · Feb 15, 2021
$144
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2020-0339 · Nov 23, 2020
$144
State CWA Penalty AO
Clean Water Act
· Case NC-LV-2020-0132 · Jul 1, 2020
$142
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