LOUISA COUNTY WATER AUTHORITY
PWSID: VA2109510 · Louisa, VA · Serves 4,254 people
According to EPA Safe Drinking Water Information System (SDWIS), LOUISA COUNTY WATER AUTHORITY (PWSID VA2109510) in Louisa, VA is listed as a CWS water system covering about 4,254 people. The same extract lists 24 health-based violation records spanning 2014-2025. Those 24 health-based rows for LOUISA COUNTY WATER AUTHORITY cover contaminants such as Total Haloacetic Acids (HAA5), TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
LOUISA COUNTY WATER AUTHORITY has 24 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. 2 distinct EPA contaminant codes appear in this system's record, including Total Haloacetic Acids (HAA5), TTHM. Recorded violations span 2014–2025. Day-to-day primacy enforcement for this system runs through the Virginia 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 Virginia state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- VA2109510
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Louisa, VA
- Population Served
- 4,254
- Health Violations
- Yes (24)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Haloacetic Acids (HAA5) | 15 | 15 |
| TTHM | 9 | 9 |
Violation History (24)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2016 |
| TTHM | Yes | Oct 1, 2015 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2015 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| TTHM | Yes | Apr 1, 2015 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2015 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2014 |
| TTHM | Yes | Oct 1, 2014 |
| TTHM | Yes | Jul 1, 2014 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2014 |
Frequently Asked Questions
What does EPA SDWIS list for LOUISA COUNTY WATER AUTHORITY?
How many people does LOUISA COUNTY WATER AUTHORITY serve?
What violations does LOUISA COUNTY WATER AUTHORITY have?
What contaminants have been found in LOUISA COUNTY WATER AUTHORITY water?
Compare beyond Virginia
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest LOUISA COUNTY WATER AUTHORITY on cumulative violation count (24) and EPA-reported population served (4,254). Violation-count peers include Table Mountain Rancheria, MAGNOLIA WATERWORKS, DAMASCUS WATER WORKS. Population peers include SOUTH RAYNE WATER CORPORATION, METROPOLITAN DWID - HUB, CORDES LAKES WATER COMPANY.
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
LOUISA COUNTY WATER AUTHORITY (VA2109510) is drawn from EPA SDWIS. Nearby county systems in this extract include LOUISA COUNTY ZION CROSSROADS; GORDONSVILLE, TOWN OF; BLUE RIDGE SHORES; LOUISA, TOWN OF. Health-based rows (24 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.