Drinking water quality · 2023
· Verified
What's in O'connor Tract Co-operative Water Co. — Palo Alto, Ca, CA tap water
9 contaminants were measured in the O'connor Tract Co-operative Water Co. — Palo Alto, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 9
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 7 ug/L90th percentileAt the tap | None set | Within the limit |
| SeleniumA trace element from natural deposits and industrial discharge. | 7.5 ug/LReported levelWell 2 | None set | Within the limit |
+By source (2)— Well 2, Well 1
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.16 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 mg/LReported levelWell 2 | 2 mg/LMCL | Within the limit |
+By source (2)— Well 2, Well 1
| |||
| ManganeseA naturally occurring metal from soil and rock. | 10–23 ug/LAverageAnd Range | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.07 pCi/LReported levelWell 2 | 15 pCi/LMCL | Within the limit |
+By source (2)— Well 2, Well 1
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.28–0.64 mg/LAverageAnd Range | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.8 mg/LReported levelWell 1 | 10 mg/LMCL | Within the limit |
+By source (2)— Well 1, Well 2
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.2 mg/LReported levelWell 1 | 4 mg/LMCL | Within the limit |
+By source (2)— Well 1, Well 2
| |||
People also ask about O'connor Tract Co-operative Water Co. — Palo Alto, Ca, CA's water
+Is O'connor Tract Co-operative Water Co. — Palo Alto, Ca, CA tap water safe to drink in 2023?
Every one of the 9 contaminants measured in O'connor Tract Co-operative Water Co. — 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 O'connor Tract Co-operative Water Co. — Palo Alto, Ca, CA tap water?
9 contaminants were measured in O'connor Tract Co-operative Water Co. — Palo Alto, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and disinfectants. 5 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 O'connor Tract Co-operative Water Co. — 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 O'connor Tract Co-operative Water Co. — 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.