Is San Mateo tap water safe to drink?
The short answer for San Mateo
Recent public test data for San Mateo is limited. Check local utility reports and monitor updated EPA records for the latest water quality information.
The health risk for San Mateo
No specific notes available.
Certified filtration options for common tap-water contaminants.
No compounds above or close to EPA limits in available data.
View all tested compounds
P-0164 · Tested: Multiple dates
| Compound | Measurement | EPA Limit | Comparison |
|---|---|---|---|
| Lead | 0.200 µg/L | 15 µg/L | 1% of limit |
| Arsenic | 0.050 µg/L | 10 µg/L | 0.5% of limit |
| Chromium | 0.400 µg/L | 100 µg/L | 0.4% of limit |
| Copper | 0.400 µg/L | 1300 µg/L | 0.0% of limit |
| Nitrate + Nitrite | 0.004 mg/L | 1E+04 mg/L | 0.0% of limit |
| Alkalinity, total | 87.000 mg/L | — | — |
| Aluminum | 5.000 µg/L | — | — |
| Ammonia | 0.210 mg/L | — | — |
| Ammonia-nitrogen | 0.200 mg/L | — | — |
| Antimony | 0.050 µg/L | — | — |
| Barium | 12.600 µg/L | — | — |
| Beryllium | 0.010 µg/L | — | — |
| Cadmium | 0.020 µg/L | — | — |
| Calcium | 54.000 mg/L | — | — |
| Chloride | 130.000 mg/L | — | — |
| Escherichia coli | 1.000 MPN/100mL | — | — |
| Fecal Coliform | 2.000 cfu/100mL | — | — |
| Fluoride | 0.220 mg/L | — | — |
| Iron | 30.000 µg/L | — | — |
| Magnesium | 21.700 mg/L | — | — |
| Manganese | 1.000 µg/L | — | — |
| Molybdenum | 0.180 µg/L | — | — |
| Nickel | 0.500 µg/L | — | — |
| Nitrogen, mixed forms (NH3)... | 0.240 mg/L | — | — |
| Organic carbon | 1.000 mg/L | — | — |
| Orthophosphate | 0.012 mg/L | — | — |
| Phosphorus | 0.011 mg/L | — | — |
| Potassium | 1.600 mg/L | — | — |
| Purge Volume | 600.000 gal | — | — |
| Selenium | 0.200 µg/L | — | — |
| Silver | 0.010 µg/L | — | — |
| Sodium | 41.800 mg/L | — | — |
| Strontium | 16.354 µg/L | — | — |
| Sulfate | 47.000 mg/L | — | — |
| Thallium | 0.100 µg/L | — | — |
| Tin | 0.500 µg/L | — | — |
| Total Coliform | 1.000 MPN/100mL | — | — |
| Total dissolved solids | 389.000 mg/L | — | — |
| Total hardness | 224.000 mg/L | — | — |
| Total Kjeldahl nitrogen (Or... | 0.487 mg/L | — | — |
| True color | 2.500 PCU | — | — |
| Vanadium | 4.853 µg/L | — | — |
| Water level in well, depth ... | 8.560 ft | — | — |
| Zinc | 5.000 µg/L | — | — |
Water utilities serving ZIP 32187
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- P-0164 (WQP)No recent federal sampling
Frequently Asked Questions about ZIP 32187 Tap Water
What's in ZIP 32187 tap water?
Recent public test data for ZIP 32187 is limited. Check your local utility's Consumer Confidence Report for the most current information.
Who provides tap water in ZIP 32187?
Public records identify P-0164 (WQP) as a primary water system associated with ZIP 32187. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 32187 tap water last tested?
The most recent test date used in this report is Unknown. EnviroClarity last refreshed this page on 2026-05-05.
Where can I find the official water quality report for ZIP 32187?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact P-0164 (WQP) or visit their website for the latest official report covering ZIP 32187. The EPA also maintains a national CCR locator.
Do I still need a water filter in ZIP 32187?
Even when EPA-tracked compounds are within limits, some households use a certified filter for taste, odor, or to add a margin against trace contaminants below the reporting limit. Match any filter's certifications (NSF/ANSI 42, 53, 58, or P473) to the specific compounds you care about.
Check another ZIP code
Nearby ZIP reports
- 32189 - East Palatka CCD, Welaka tap water report
- 32131 - East Palatka tap water report
- 32181 - Pomona Park tap water report
- 32177 - Palatka tap water report
- 32157 - Lake Como tap water report
- 32193 - Crescent City CCD, Welaka tap water report
- 32145 - Flagler Estates tap water report
- 32112 - Crescent City tap water report
Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.