CITY OF PALO ALTO
PWSID: CA4310009 · Palo Alto, CA · Serves 67,231 people
According to EPA Safe Drinking Water Information System (SDWIS), CITY OF PALO ALTO (PWSID CA4310009) in Palo Alto, CA is listed as a CWS water system covering about 67,231 people. The same extract lists 3 health-based violation records spanning 1995-1995. Those 3 health-based rows for CITY OF PALO ALTO cover contaminants such as Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
CITY OF PALO ALTO has 3 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. 1 distinct EPA contaminant code appears in this system's record, including Surface Water Treatment Rule. Recorded violations span 1995–1995. 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)
- CA4310009
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Palo Alto, CA
- Population Served
- 67,231
- Health Violations
- Yes (3)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Surface Water Treatment Rule | 3 | 3 |
Violation History (3)
| Contaminant | Health | Date |
|---|---|---|
| Surface Water Treatment Rule | Yes | Mar 1, 1995 |
| Surface Water Treatment Rule | Yes | Mar 1, 1995 |
| Surface Water Treatment Rule | Yes | Mar 1, 1995 |
Frequently Asked Questions
What does EPA SDWIS list for CITY OF PALO ALTO?
How many people does CITY OF PALO ALTO serve?
What violations does CITY OF PALO ALTO have?
What contaminants have been found in CITY OF PALO ALTO water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CITY OF PALO ALTO on cumulative violation count (3) and EPA-reported population served (67,231). Violation-count peers include Mohegan Tribal Utility Authority, RED CLIFF NORTH, Tesuque Pueblo. Population peers include PANAMA CITY BEACH CITY OF, Lakeville, TAYLORSVILLE-BENNION ID.
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
CITY OF PALO ALTO (CA4310009) is drawn from EPA SDWIS. Nearby county systems in this extract include SAN JOSE WATER; CWS - BAKERSFIELD; CALIFORNIA WATER SERVICE - STOCKTON; BAKERSFIELD, CITY OF. Health-based rows (3 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.