SUISUN-SOLANO WATER AUTHORITY
PWSID: CA4810005 · Vacaville, CA · Serves 29,105 people
According to EPA Safe Drinking Water Information System (SDWIS), SUISUN-SOLANO WATER AUTHORITY (PWSID CA4810005) in Vacaville, CA is listed as a CWS water system covering about 29,105 people. The same extract lists 41 health-based violation records spanning 2023-2024. Those 41 health-based rows for SUISUN-SOLANO WATER AUTHORITY cover contaminants such as TTHM, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
SUISUN-SOLANO WATER AUTHORITY has 41 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 TTHM, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2023–2024. Day-to-day primacy enforcement for this system runs through the California 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 California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA4810005
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Vacaville, CA
- Population Served
- 29,105
- Health Violations
- Yes (41)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 40 | 40 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (41)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
Frequently Asked Questions
What does EPA SDWIS list for SUISUN-SOLANO WATER AUTHORITY?
How many people does SUISUN-SOLANO WATER AUTHORITY serve?
What violations does SUISUN-SOLANO WATER AUTHORITY have?
What contaminants have been found in SUISUN-SOLANO WATER AUTHORITY water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SUISUN-SOLANO WATER AUTHORITY on cumulative violation count (41) and EPA-reported population served (29,105). Violation-count peers include LOOKOUT MOUNTAIN WD, RIVIERA BEACH UTILITY DISTRICT, CITY OF, SOUTHERN WATER & SEWER DISTRICT. Population peers include ZEPHYRHILLS CITY OF, FIFE DEPT OF PUBLIC WORKS, LANSING.
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
Explore More
About This Data
SUISUN-SOLANO WATER AUTHORITY (CA4810005) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF VALLEJO; CITY OF FAIRFIELD; CITY OF VACAVILLE; CITY OF BENICIA. Health-based rows (41 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.