NASSAU BAY WWTP - UPPER BAY
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
-
18920 POINT LOOKOUT
NASSAU BAY, TX 77058
View on map ↗ - County
- HARRIS County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 2 · last May 1, 2025
- Total Penalties
- $0
- Registry ID
- 110000501591
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 | Oct 7, 2015 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 24, 2013 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Feb 3, 1994 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 2, 1993 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | May 5, 1993 | Jan 19, 1994 | Resolved |
| cwa | Reporting Violations - Noncompliance with Section 308 Information Request | Sep 5, 1991 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 29, 1991 | Nov 22, 1991 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Apr 9, 1991 | Nov 22, 1991 | 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 |
|---|---|---|---|---|---|---|
| Enterococci | DMR, Limited - Numeric Violation | 263.00 MPN/100mL | 104.00 | +153% | Aug 2025 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 1,300.00 MPN/100mL | 104.00 | +1,150% | Sep 2024 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 179.00 MPN/100mL | 104.00 | +72% | Jun 2021 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 5.50 MGD | 5.00 | +10% | Aug 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.00 mg/L | 1.00 | +100% | Aug 2017 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 109.00 MPN/100mL | 104.00 | +5% | Jun 2015 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 313.00 MPN/100mL | 104.00 | +201% | May 2015 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 65.30 MPN/100mL | 35.00 | +87% | May 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.