Non-Compliance
Clean Water Act
MAPLE LEAF GARDENS 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
-
9530 RUSTLING MAPLE DR
HIGHLANDS, TX 77064
View on map ↗ - County
- HARRIS County
- Inspections
- 3 · last Apr 30, 2025
- Total Penalties
- $0 · last Dec 9, 2016
- Registry ID
- 110009746944
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.
3
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 | Permit Violations - Violation Specified in Comment | May 31, 2022 | Mar 3, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 20, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 20, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event reported late | Sep 20, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 20, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 19, 2017 | — | Open |
| cwa | Schedule Event reported late | Jun 19, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Jun 19, 2017 | Sep 13, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 19, 2017 | Sep 13, 2018 | Resolved |
| cwa | Schedule Event reported late | Jun 19, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Jun 19, 2017 | Sep 13, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 19, 2017 | Sep 13, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 19, 2017 | — | Open |
| cwa | Schedule Event reported late | Feb 22, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 22, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 22, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 22, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 7, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 7, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 7, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 7, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event reported late | Feb 7, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 7, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 7, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event reported late | Feb 7, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 7, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 7, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event reported late | Feb 7, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 7, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 23, 2017 | — | Open |
| cwa | Schedule Event reported late | Jan 23, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 23, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 23, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event reported late | Jan 8, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 8, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 8, 2017 | — | Open |
| cwa | Schedule Event reported late | Jan 8, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 8, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 8, 2017 | — | Open |
| cwa | Schedule Event reported late | Jan 8, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 8, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 8, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 8, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 8, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 8, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 8, 2017 | Sep 7, 2018 | Resolved |
| cwa | Schedule Event reported late | Jan 8, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 8, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 8, 2017 | Sep 7, 2018 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jun 20, 2014 | — | 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 | 34.50 mg/L | 15.00 | +130% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 23.40 mg/L | 3.00 | +680% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.33 kg/d | 0.50 | +165% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 16.20 mg/L | 15.00 | +8% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.34 mg/L | 3.00 | +11% | Dec 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 4.26 mg/L | 4.00 | +7% | Oct 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.00 mg/L | 15.00 | +33% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.30 mg/L | 3.00 | +110% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 5.77 kg/d | 2.54 | +127% | Mar 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.07 kg/d | 0.50 | +314% | Mar 2022 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.06 MGD | 0.05 | +23% | Mar 2022 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.05 | +4% | Oct 2021 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.12 MGD | 0.05 | +163% | Jul 2021 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 8.90 kg/d | 1.68 | +430% | Jun 2020 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.19 MGD | 0.05 | +316% | Jun 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.74 kg/d | 0.50 | +49% | Jun 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 12.89 kg/d | 2.54 | +407% | Jun 2020 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.07 MGD | 0.05 | +48% | May 2020 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.06 MGD | 0.05 | +34% | Apr 2020 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.05 | +16% | Feb 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2.63 kg/d | 2.54 | +4% | Feb 2020 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.06 MGD | 0.05 | +28% | Nov 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.07 MGD | 0.05 | +58% | Sep 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.06 MGD | 0.05 | +40% | Aug 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 200.00 | +1,110% | Jan 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.06 MGD | 0.05 | +37% | Jul 2017 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.00 mg/L | 4.00 | +25% | Jul 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.07 MGD | 0.05 | +46% | Jun 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.07 MGD | 0.05 | +66% | May 2017 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.07 MGD | 0.05 | +66% | May 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 27.30 mg/L | 15.00 | +82% | Apr 2017 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Overdue | 3.00 mg/L | 4.00 | +25% | Apr 2017 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.00 mg/L | 4.00 | +25% | Apr 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.09 MGD | 0.05 | +91% | Apr 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.09 MGD | 0.05 | +91% | Apr 2017 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Overdue | 6.90 mg/L | 3.00 | +130% | Apr 2017 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.90 mg/L | 3.00 | +130% | Apr 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Overdue | 27.30 mg/L | 15.00 | +82% | Apr 2017 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.07 MGD | 0.05 | +44% | Mar 2017 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.07 MGD | 0.05 | +44% | Mar 2017 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.05 MGD | 0.05 | +20% | Feb 2017 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.05 | +20% | Feb 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Overdue | 0.87 kg/d | 0.50 | +73% | May 2016 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Overdue | 36.20 mg/L | 35.00 | +3% | May 2016 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 36.20 mg/L | 35.00 | +3% | May 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.87 kg/d | 0.50 | +73% | May 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Overdue | 5.88 mg/L | 3.00 | +96% | May 2016 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.88 mg/L | 3.00 | +96% | May 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.56 kg/d | 0.50 | +12% | Mar 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 7.26 kg/d | 2.54 | +186% | Mar 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 TX-2014-1303-MWD-E · Dec 9, 2016
$32,837
State CWA Penalty AO
Clean Water Act
· Case TX-2011-0599-MWD-E · Aug 2, 2012
$27,434
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