Morgan Hill Water Quality
California
According to EPA SDWIS, Morgan Hill, California is served by 11 community water systems covering about 919 people. The same extract lists 11 health-based violation records, most recently coded 1040 in 2025. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Morgan Hill, California is delivered through 11 EPA-regulated community water systems serving an estimated 919 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 11 violation records across the 11 active community systems shown here. Monitoring and reporting records are not present in the extract. The records carry 5 distinct EPA contaminant codes: Nitrate, LEAD AND COPPER RULE REVISIONS, Revised Total Coliform Rule, Coliform (TCR), Asbestos. 2 TRI-reporting industrial facilities are also located within the city limits.
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 |
|---|---|---|---|
| THOUSAND TRAILS - MORGAN HILL | 413 | 0 | Clean |
| GREEN MOUNTAIN WATER COMPANY | 80 | 1 | Health |
| HIDDEN ACRES TRAILER VILLA | 80 | 1 | Health |
| UVAS PINES RV PARK | 65 | 0 | Clean |
| SULLIVAN MUTUAL WATER | 53 | 2 | Health |
| GREEN ACRES MUTUAL WATER | 53 | 2 | Health |
| STONEBRIDGE MUTUAL WATER CO | 38 | 0 | Clean |
| FOOTHILL MUTUAL WATER COMPANY | 36 | 4 | Health |
| DEER HILL MUTUAL WATER CO | 36 | 0 | Clean |
| RANCHO DE LOMAS MUTUAL WATER COMPANY | 35 | 1 | Health |
| ROCKWOOD ESTATES MUTUAL WATER COMPANY | 30 | 0 | Clean |
Does this city have health-based water violations?
These health-based records can represent Maximum Contaminant Level (MCL), Treatment Technique (TT), or Maximum Residual Disinfectant Level (MRDL) categories. A historical record does not establish that water is currently unsafe.
| Water system | Contaminant | Begin Date |
|---|---|---|
| RANCHO DE LOMAS MUTUAL WATER COMPANY | Nitrate | 2025-01-01 |
| HIDDEN ACRES TRAILER VILLA | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| GREEN ACRES MUTUAL WATER | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| FOOTHILL MUTUAL WATER COMPANY | Nitrate | 2023-10-01 |
| FOOTHILL MUTUAL WATER COMPANY | Nitrate | 2023-10-01 |
| FOOTHILL MUTUAL WATER COMPANY | Nitrate | 2019-08-01 |
| SULLIVAN MUTUAL WATER | Revised Total Coliform Rule | 2018-03-01 |
| SULLIVAN MUTUAL WATER | Coliform (TCR) | 2015-12-01 |
| FOOTHILL MUTUAL WATER COMPANY | Nitrate | 2015-07-01 |
| GREEN ACRES MUTUAL WATER | Asbestos | 2008-04-01 |
| GREEN MOUNTAIN WATER COMPANY | Coliform (TCR) | 2003-08-01 |
What are Morgan Hill's health-based records for?
Morgan Hill's health-based violation records carry 5 distinct EPA codes: some name a substance, others the drinking-water rule that was breached. Counts are records on file in the EPA SDWIS extract, not current test results.
| Contaminant | Records | Systems |
|---|---|---|
| Nitrate | 5 | 2 |
| Coliform (TCR) | 2 | 2 |
| Lead and Copper Rule Revisions | 2 | 2 |
| Asbestos | 1 | 1 |
| Revised Total Coliform Rule | 1 | 1 |
TRI Facilities in Morgan Hill
| Facility | Total Releases |
|---|---|
| Oldcastle Precast Inc | 1 lbs |
| Nxedge Mh LLC | 0 lbs |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Morgan Hill, California? ▼
How many water violations does Morgan Hill have in this EPA extract? ▼
What contaminants were found in Morgan Hill water? ▼
How many water systems serve Morgan Hill? ▼
Where does Morgan Hill get its drinking water? ▼
Are there pollution sources near Morgan Hill? ▼
How does Morgan Hill compare in California?
Of the 909 California places with at least one community water system on file, Morgan Hill ranks #42 by number of systems (11).
Either side of it: Big Sur (11), Lucerne Valley (11), Paso Robles (11), Porterville (11)
About This Data
Figures here are the current EPA SDWIS extract joined to the 11 community water systems whose service area lists Morgan Hill, 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.