Drinking water quality · 2023
· Verified
What's in City of Arcadia — Arcadia, Ca, CA tap water
17 contaminants were measured in the City of Arcadia — Arcadia, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 17
- Over federal limit
- 2
- Approaching the limit
- 0
- Worst contaminant
- PFOS
- Service area
- CA
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 0–14 ng/LRangeLOCAL GROUNDWATER Range (Min-Max) | 6.5 ng/LNL | At or above the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 0–4.9 ng/LRangeLOCAL GROUNDWATER Range (Min-Max) | 5.1 ng/LNL | At or above the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | 0–3.2 ng/LRangeLOCAL GROUNDWATER Range (Min-Max) | 3 ng/LNL | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0–6.4 ug/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.35 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | None set | None detected |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 0.56–9 ug/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| SodiumA naturally occurring salt component. | 17–53 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.64–4.6 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | 10 mg/LMCL | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.28–1.2 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | 4 mg/LMCL | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.38–1.8 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | 0–1.2 ug/LRangeLOCAL GROUNDWATER Range (Min-Max) | 5 ug/LMCL | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 3–14 ug/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 2.8 ug/LReported levelLOCAL GROUNDWATER Result (a) | None set | Within the limit |
+By source (2)— LOCAL GROUNDWATER Result (a), LOCAL GROUNDWATER Range (Min-Max)
| |||
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 0–2.6 ug/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HardnessA measure of dissolved calcium and magnesium minerals. | 23–340 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 0–2.5 pCi/LRangeLOCAL GROUNDWATER Range (Min-Max) | 20 pCi/LMCL | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
People also ask about City of Arcadia — Arcadia, Ca, CA's water
+Is City of Arcadia — Arcadia, Ca, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the City of Arcadia — Arcadia, Ca, CA water utility lists 2 contaminants at or above the federal limit: PFOS and PFOA. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in City of Arcadia — Arcadia, Ca, CA tap water?
17 contaminants were measured in City of Arcadia — Arcadia, Ca, CA's 2023 Consumer Confidence Report, spanning metals, disinfection byproducts, and pfas ("forever chemicals"). 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.
+Which contaminants exceed federal limits in City of Arcadia — Arcadia, Ca, CA tap water?
2 contaminants in City of Arcadia — Arcadia, Ca, CA's 2023 report sit at or above the federal limit: PFOS (3.5× the limit); PFOA (1.2× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in City of Arcadia — Arcadia, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is PFOS, at 3.5× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from City of Arcadia — Arcadia, 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 City of Arcadia — Arcadia, 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.