Drinking water quality · 2020
· Verified
What's in City of Arcadia — Arcadia, Ca, CA tap water
24 contaminants were measured in the City of Arcadia — Arcadia, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit — 3 sit at or above that limit.
- Reporting year
- 2020
- Contaminants measured
- 24
- Over federal limit
- 3
- Approaching the limit
- 0
- Worst contaminant
- PFOS
- Service area
- CA
3.0× the limit
state-level CCR
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 0–12 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. | 0–4.7 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.' | 0–4.4 ng/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0–1.2 NTURangeLOCAL GROUNDWATER Range (Min-Max) | 1 NTUMCL | At or above the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| ColorA measure of visible tint in the water. | 0–5RangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| HardnessA measure of dissolved calcium and magnesium minerals. | 24–280 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 310–710RangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 200–450 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. | 0.6–5.9 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. | 0.24–1.3 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | 4 mg/LMCL | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| BromideA naturally occurring salt found in source water. | 26–100 ug/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| ChlorideA naturally occurring salt compound. | 8.5–46 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| SulfateA naturally occurring mineral from rock and soil. | 18–80 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal 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. | 0–5.5 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. | 0.36 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 |
| ManganeseA naturally occurring metal from soil and rock. | 0–0.66 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. | 17–50 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | Detected — no federal 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. | 0.42–1.7 mg/LRangeLOCAL GROUNDWATER Range (Min-Max) | None set | 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. | 5.1–17 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. | 2.5–4.5 ug/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 |
|---|---|---|---|
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | 0–0.77 ug/LRangeLOCAL GROUNDWATER Range (Min-Max) | 5 ug/LMCL | Within the limit |
+By source (2)— LOCAL GROUNDWATER Range (Min-Max), LOCAL GROUNDWATER Result (a)
| |||
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | 0–0.6 ug/LRangeLOCAL GROUNDWATER Range (Min-Max) | 5 ug/LMCL | Within the 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. | 0–5.3 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)
| |||
Source: City of Arcadia — Arcadia, Ca, CA's 2020 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.
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 2020?
The 2020 Consumer Confidence Report for the City of Arcadia — Arcadia, Ca, CA water utility lists 3 contaminants at or above the federal limit: PFOS, Turbidity, 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?
24 contaminants were measured in City of Arcadia — Arcadia, Ca, CA's 2020 Consumer Confidence Report, spanning inorganic chemicals, metals, and physical & aggregate. 9 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?
3 contaminants in City of Arcadia — Arcadia, Ca, CA's 2020 report sit at or above the federal limit: PFOS (3.0× the limit); Turbidity (1.2× 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 2020 report is PFOS, at 3.0× 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 2020 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 2020 report; a new report will replace it once the utility publishes its next annual update.
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