Drinking water quality · 2021
· Verified
What's in City of Fountain Valley — Fountain Valley, Ca, CA tap water
30 contaminants were measured in the City of Fountain Valley — Fountain Valley, Ca, CA water system's 2021 annual report. Each is shown below against its federal limit.
- Reporting year
- 2021
- Contaminants measured
- 30
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 1 mg/LAverageLocal Groundwater | 4 mg/LMCL | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 1.1 mg/LAverageLocal Groundwater | 10 mg/LMCL | Within the limit |
| Dibromoacetic acidA brominated haloacetic acid disinfection byproduct. | 0.37 ug/LAverageAverage Amount | None set | Within the limit |
| Chlorodibromoacetic acidA brominated haloacetic acid disinfection byproduct. | 0.04 ug/LAverageAverage Amount | None set | Within the limit |
| Dichloroacetic acidA haloacetic acid disinfection byproduct. | 0.01 ug/LAverageAverage Amount | 0 ug/LMCLG | Within the limit |
| BromideA naturally occurring salt found in source water. | 0.14 mg/LAverageGroundwater Amount | None set | Detected — no federal limit |
| ChlorideA naturally occurring salt compound. | 32 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 67 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.15 NTUAverageLocal Groundwater | 1 NTUMCL | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 169 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
| ColorA measure of visible tint in the water. | 1AverageAverage Amount | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 195 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
| OdorA measure of detectable smell in the water. | 1AverageAverage Amount | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 8AverageLocal Groundwater | None set | Detected — no federal limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 542AverageLocal Groundwater | None set | Detected — no federal limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 0.17 mg/LAverageGroundwater Amount | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 324 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.15 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 |
| CalciumA naturally occurring mineral that contributes to water hardness. | 61 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 1.3 ug/LAverageLocal Groundwater | 0.02 ug/LPublic health goal | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 11 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
| ManganeseA naturally occurring metal from soil and rock. | 1.9 ug/LAverageGroundwater Amount | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 2.2 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 41 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 9 ug/LAverageAverage Amount | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 2 ug/LAverageAverage Amount | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Nitrate Nitrite | 1.1 mg/LAverageLocal Groundwater | 10 mg/LMCL | Within the limit |
| Chlorine Total | 0.42 mg/LAverageAverage Amount | 4 mg/LMCL | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2.7 pCi/LAverageLocal Groundwater | 20 pCi/LMCL | Detected — no federal limit |
People also ask about City of Fountain Valley — Fountain Valley, Ca, CA's water
+Is City of Fountain Valley — Fountain Valley, Ca, CA tap water safe to drink in 2021?
Every one of the 30 contaminants measured in City of Fountain Valley — Fountain Valley, Ca, CA's 2021 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 City of Fountain Valley — Fountain Valley, Ca, CA tap water?
30 contaminants were measured in City of Fountain Valley — Fountain Valley, Ca, CA's 2021 Consumer Confidence Report, spanning physical & aggregate, inorganic chemicals, and metals. 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.
+Where does the data on this page come from?
Every value is transcribed from City of Fountain Valley — Fountain Valley, Ca, CA's 2021 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 Fountain Valley — Fountain Valley, 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 2021 report; a new report will replace it once the utility publishes its next annual update.