Drinking water quality · 2023
· Verified
What's in Palo Alto Park Mutual Water Company — East Palo Alto, Ca, CA tap water
10 contaminants were measured in the Palo Alto Park Mutual Water Company — East Palo Alto, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 10
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 9 pCi/LReported levelColumn 2 | 15 pCi/LMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0–2.7 ug/LRangeSystem-wide | None set | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0029 mg/L90th percentileAt the tap | 0.015 mg/LAction level | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.17 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.1–2.2 ug/LRangeSystem-wide | 2000 ug/LMCL | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 0–83 ug/LRangeSystem-wide | None set | Detected — no federal limit |
| Vanadium | 3.1–3.3RangeSystem-wide | 50NL | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.1–0.26 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 8Reported levelColumn 2 | 10MCL | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Highest single sampleNo. of Detections | 0MCLG | None detected |
People also ask about Palo Alto Park Mutual Water Company — East Palo Alto, Ca, CA's water
+Is Palo Alto Park Mutual Water Company — East Palo Alto, Ca, CA tap water safe to drink in 2023?
Every one of the 10 contaminants measured in Palo Alto Park Mutual Water Company — East Palo Alto, Ca, CA's 2023 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Palo Alto Park Mutual Water Company — East Palo Alto, Ca, CA tap water?
10 contaminants were measured in Palo Alto Park Mutual Water Company — East Palo Alto, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and microbial. 8 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Palo Alto Park Mutual Water Company — East Palo Alto, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Palo Alto Park Mutual Water Company — East Palo Alto, Ca, CA's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.