WILLOW OAKS 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
-
23427 BETTYWOOD LN
TOMBALL, TX 77375
View on map ↗ - County
- HARRIS County
- Inspections
- 2 · last Jan 13, 2026
- Total Penalties
- $0 · last Jun 22, 2012
- Registry ID
- 110010842892
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.
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 | Jan 13, 2026 | Jan 13, 2026 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | May 28, 2015 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Jan 1, 1986 | — | 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 | 19.10 mg/L | 15.00 | +27% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.90 mg/L | 15.00 | +19% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 20.50 mg/L | 15.00 | +37% | Jan 2025 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 2.33 mg/L | 4.00 | +42% | Nov 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.53 kg/d | 0.45 | +16% | Aug 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.79 kg/d | 0.45 | +75% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.48 mg/L | 3.00 | +16% | Jun 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 75.30 mg/L | 60.00 | +26% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 15.93 mg/L | 15.00 | +6% | Jan 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 15.88 mg/L | 15.00 | +6% | Nov 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2.76 kg/d | 2.27 | +22% | May 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 16.12 mg/L | 15.00 | +7% | May 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.90 mg/L | 1.00 | +10% | Mar 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 58.05 mg/L | 15.00 | +287% | Apr 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.63 kg/d | 0.45 | +38% | Apr 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.00 mg/L | 3.00 | +400% | Apr 2015 | 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.