Alhambra Water Quality
California
According to EPA SDWIS, Alhambra, California is served by 10 community water systems covering about 357,825 people. PlainEnviro's health-based extract shows zero health-based violation records for those systems. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Alhambra, California is delivered through 10 EPA-regulated community water systems serving an estimated 357,825 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.
PlainEnviro's health-based SDWIS extract shows 0 violation records across the 10 active community systems shown here. Monitoring and reporting records are not present in the extract. No contaminant code appears in the health-based records.
A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the California drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.
Community Water Systems
| System Name | Pop. Served | Violations | Status |
|---|---|---|---|
| LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER | 208,129 | 0 | Clean |
| CITY OF ALHAMBRA | 79,776 | 0 | Clean |
| LOS ANGELES CWWD 29 & 80-MALIBU | 32,348 | 0 | Clean |
| LOS ANGELES CWWD 40, REG. 38-LAKE LA | 12,568 | 0 | Clean |
| LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM | 11,509 | 0 | Clean |
| LOS ANGELES CWWD 36-VAL VERDE | 6,376 | 0 | Clean |
| LOS ANGELES CWWD 37-ACTON | 4,805 | 0 | Clean |
| LOS ANGELES CWWD 40, REG. 39-ROCK CREEK | 994 | 0 | Clean |
| LOS ANGELES CWWD 21-KAGEL CANYON | 708 | 0 | Clean |
| LOS ANGELES CWWD 40, REG. 35-N.E. L.A. | 612 | 0 | Clean |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Alhambra, California? ▼
How many water violations does Alhambra have in this EPA extract? ▼
How many water systems serve Alhambra? ▼
Where does Alhambra get its drinking water? ▼
How does Alhambra compare in California?
Of the 909 California places with at least one community water system on file, Alhambra ranks #46 by number of systems (10).
Either side of it: Porterville (11), West Covina (11), Auburn (10), Inyokern (10)
About This Data
Figures here are the current EPA SDWIS extract joined to the 10 community water systems whose service area lists Alhambra, ranked against the 909 California places with at least one system on file. Data current as of 2026-08-25.
Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.
A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.
TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.
Read our methodology - how this data is sourced, computed, and verified.