JEFFERSON COUNTY WCID 10
PWSID: TX1230003 · Nederland, TX · Serves 4,605 people
According to EPA Safe Drinking Water Information System (SDWIS), JEFFERSON COUNTY WCID 10 (PWSID TX1230003) in Nederland, TX is listed as a CWS water system covering about 4,605 people. The same extract lists 16 health-based violation records spanning 2020-2025. Those 16 health-based rows for JEFFERSON COUNTY WCID 10 cover contaminants such as TTHM, Total Haloacetic Acids (HAA5), Interim Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
JEFFERSON COUNTY WCID 10 has 16 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including TTHM, Total Haloacetic Acids (HAA5), Interim Enhanced Surface Water Treatment Rule. Recorded violations span 2020–2025. Day-to-day primacy enforcement for this system runs through the Texas drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Texas state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- TX1230003
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Nederland, TX
- Population Served
- 4,605
- Health Violations
- Yes (16)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 6 | 6 |
| Total Haloacetic Acids (HAA5) | 6 | 6 |
| Interim Enhanced Surface Water Treatment Rule | 4 | 4 |
Violation History (16)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2020 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2020 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2020 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2020 |
Frequently Asked Questions
What does EPA SDWIS list for JEFFERSON COUNTY WCID 10?
How many people does JEFFERSON COUNTY WCID 10 serve?
What violations does JEFFERSON COUNTY WCID 10 have?
What contaminants have been found in JEFFERSON COUNTY WCID 10 water?
Compare beyond Texas
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest JEFFERSON COUNTY WCID 10 on cumulative violation count (16) and EPA-reported population served (4,605). Violation-count peers include WRANGELL, ST. MARYS WATER SYSTEM, SPARKMAN WATERWORKS. Population peers include SHERIDAN WATERWORKS, LITTLE FALLS CITY, COAMO URBANO.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
JEFFERSON COUNTY WCID 10 (TX1230003) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF NEDERLAND; CITY OF GROVES; CITY OF PORT NECHES; WEST JEFFERSON COUNTY MWD. Health-based rows (16 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.