Non-Compliance
Clean Water Act
WALLER COUNTY MUD 9A 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
-
APPROX 1400' NW INTX STOCKDICK RD & SCHLIPF RD
KATY, TX 77493
View on map ↗ - County
- WALLER County
- Total Penalties
- $0
- Registry ID
- 110064647208
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.
6
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 unachieved and not reported | Nov 2, 2021 | Mar 4, 2022 | Resolved |
| cwa | Schedule Event reported late | Nov 2, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 2, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Nov 2, 2021 | Mar 4, 2022 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.14 MGD | 0.13 | +8% | Jan 2026 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.13 MGD | 0.13 | +3% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.21 kg/d | 0.95 | +27% | Dec 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.13 MGD | 0.13 | +6% | Nov 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.13 MGD | 0.13 | +2% | Oct 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.13 MGD | 0.13 | +4% | Sep 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.13 MGD | 0.13 | +1% | Aug 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.28 mg/L | 2.00 | +64% | Jan 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.30 mg/L | 15.00 | +22% | Jan 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.18 MGD | 0.13 | +40% | Oct 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.60 mg/L | 15.00 | +31% | Oct 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.00 mg/L | 2.00 | +400% | Oct 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.38 kg/d | 0.95 | +254% | Oct 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.33 kg/d | 0.95 | +1,822% | Sep 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 34.70 mg/L | 15.00 | +131% | Sep 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.23 MGD | 0.13 | +84% | Sep 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.38 mg/L | 2.00 | +1,319% | Sep 2024 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.13 MGD | 0.13 | +6% | Aug 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 200.00 | +1,110% | Sep 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.21 kg/d | 0.95 | +27% | Sep 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.90 mg/L | 2.00 | +45% | Sep 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.21 mg/L | 2.00 | +211% | Aug 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.80 mg/L | 15.00 | +92% | Aug 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.43 kg/d | 0.95 | +155% | Aug 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.30 kg/d | 0.95 | +36% | Jul 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.04 kg/d | 0.95 | +10% | Apr 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.10 mg/L | 2.00 | +105% | Apr 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.34 kg/d | 0.95 | +41% | Oct 2021 | Open |
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