Drinking water quality · 2023
· Verified
What's in San Juan Water District — Granite Bay, Ca, CA tap water
18 contaminants were measured in the San Juan Water District — Granite Bay, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 18
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 62.9 ug/LAverageSan Juan Surface Water Including Orange Vale Water Company | None set | Within the limit |
+By source (3)— San Juan Surface Water Including Orange Vale Water Company, Fair Oaks Groundwater, Citrus Heights Groundwater
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 38.1 ug/LAverageSan Juan Surface Water Including Orange Vale Water Company | None set | Within the limit |
+By source (3)— Citrus Heights Groundwater, San Juan Surface Water Including Orange Vale Water Company, Fair Oaks Groundwater
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 2.6 mg/LAverageCitrus Heights Groundwater | 10 mg/LPublic health goal | Within the limit |
+By source (3)— Citrus Heights Groundwater, Fair Oaks Groundwater, San Juan Surface Water Including Orange Vale Water Company
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.1 mg/LAverageCitrus Heights Groundwater | 1 mg/LPublic health goal | Within the limit |
+By source (3)— Citrus Heights Groundwater, Fair Oaks Groundwater, San Juan Surface Water Including Orange Vale Water Company
| |||
| BromideA naturally occurring salt found in source water. | 24.7 ug/LAverageSystem-wide | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.74 mg/LAverageCitrus Heights Groundwater | None set | Within the limit |
+By source (3)— Citrus Heights Groundwater, San Juan Surface Water Including Orange Vale Water Company, Fair Oaks Groundwater
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.083 mg/L90th percentileCitrus Heights Groundwater | 0.3 mg/LPublic health goal | Within the limit |
+By source (3)— Citrus Heights Groundwater, Fair Oaks Groundwater, San Juan Surface Water Including Orange Vale Water Company
| |||
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected ug/LAverageCitrus Heights Groundwater | 0.004 ug/LPublic health goal | Within the limit |
+By source (3)— Fair Oaks Groundwater, Citrus Heights Groundwater, San Juan Surface Water Including Orange Vale Water Company
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | Not detected mg/LAverageCitrus Heights Groundwater | 2 mg/LPublic health goal | Within the limit |
+By source (3)— Citrus Heights Groundwater, San Juan Surface Water Including Orange Vale Water Company, Fair Oaks Groundwater
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileFair Oaks Groundwater | 0.2 ug/LPublic health goal | None detected |
+By source (2)— Fair Oaks Groundwater, Citrus Heights Groundwater
| |||
| CalciumA naturally occurring mineral that contributes to water hardness. | 30.5 mg/LAverageCitrus Heights Groundwater | None set | Detected — no federal limit |
+By source (3)— Citrus Heights Groundwater, Fair Oaks Groundwater, San Juan Surface Water Including Orange Vale Water Company
| |||
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 14.3 mg/LAverageCitrus Heights Groundwater | None set | Detected — no federal limit |
+By source (3)— Citrus Heights Groundwater, Fair Oaks Groundwater, San Juan Surface Water Including Orange Vale Water Company
| |||
| ManganeseA naturally occurring metal from soil and rock. | 1.9 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 20.3 mg/LAverageCitrus Heights Groundwater | None set | Detected — no federal limit |
+By source (3)— Citrus Heights Groundwater, Fair Oaks Groundwater, San Juan Surface Water Including Orange Vale Water Company
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Bicarbonate | 130 mg/LAverageCitrus Heights Groundwater | None set | Detected — no federal limit |
+By source (3)— Citrus Heights Groundwater, Fair Oaks Groundwater, San Juan Surface Water Including Orange Vale Water Company
| |||
| HardnessA measure of dissolved calcium and magnesium minerals. | 134.5 mg/LAverageCitrus Heights Groundwater | None set | Detected — no federal limit |
+By source (3)— Citrus Heights Groundwater, Fair Oaks Groundwater, San Juan Surface Water Including Orange Vale Water Company
| |||
| TurbidityA measure of cloudiness from suspended particles in the water. | 100 %Reported levelSan Juan Surface Water Including Orange Vale Water Company | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | Not detected pCi/LAverageFair Oaks Groundwater | 0.43 pCi/LPublic health goal | Detected — no federal limit |
+By source (2)— Citrus Heights Groundwater, Fair Oaks Groundwater
| |||
Source: San Juan Water District — Granite Bay, Ca, CA's 2023 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 San Juan Water District — Granite Bay, Ca, CA's water
+Is San Juan Water District — Granite Bay, Ca, CA tap water safe to drink in 2023?
Every one of the 18 contaminants measured in San Juan Water District — Granite Bay, 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 San Juan Water District — Granite Bay, Ca, CA tap water?
18 contaminants were measured in San Juan Water District — Granite Bay, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and physical & aggregate. 7 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 San Juan Water District — Granite Bay, 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 San Juan Water District — Granite Bay, 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.
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