Drinking water quality · 2024
· Verified
What's in Elk Grove, CA tap water
21 contaminants were measured in the Elk Grove, CA water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 21
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 5.6 ug/LAverageEGWD Service Area 1 (Groundwater) | 0.004 ug/LPublic health goal | Within the limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 1 (Groundwater), EGWD Service Area 2 (SCWA Surface Water)
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.1 mg/L90th percentileAt the tap | 0.3 mg/LPublic health goal | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | Not detected mg/LAverageEGWD Service Area 2 (SCWA Groundwater) | 2 mg/LPublic health goal | Within the limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 1 (Groundwater), EGWD Service Area 2 (SCWA Surface Water)
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 31 ug/LAverageSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 21 ug/LAverageSystem-wide | None set | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 1.03 mg/LAverageSystem-wide | None set | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.124 NTUReported levelSystem-wide | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 1 mg/LAverageEGWD Service Area 1 (Groundwater) | 10 mg/LPublic health goal | Within the limit |
+By source (3)— EGWD Service Area 1 (Groundwater), EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 2 (SCWA Surface Water)
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.22 mg/LAverageEGWD Service Area 2 (SCWA Groundwater) | 1 mg/LPublic health goal | Within the limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 1 (Groundwater), EGWD Service Area 2 (SCWA Surface Water)
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0 %MaximumPercentage Of Positive Samples | 0 %Public health goal | None detected |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | Not detected ug/LAverageEGWD Service Area 2 (SCWA Groundwater) | 0.02 ug/LPublic health goal | Within the limit |
+By source (2)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 2 (SCWA Surface Water)
| |||
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | Not detected ng/LAverageEGWD Service Area 2 (SCWA Surface Water) | 3 ng/LNL | Within the limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 1 (Groundwater), EGWD Service Area 2 (SCWA Surface Water)
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | Not detected ng/LAverageEGWD Service Area 2 (SCWA Surface Water) | 5.1 ng/LNL | Within the limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 2 (SCWA Surface Water), EGWD Service Area 1 (Groundwater)
| |||
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | Not detected ng/LAverageEGWD Service Area 2 (SCWA Surface Water) | 6.5 ng/LNL | Within the limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 2 (SCWA Surface Water), EGWD Service Area 1 (Groundwater)
| |||
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LAverageEGWD Service Area 1 (Groundwater) | 500 ng/LNL | Detected — no federal limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 1 (Groundwater), EGWD Service Area 2 (SCWA Surface Water)
| |||
| Perfluoroheptanoic acidPerfluoroheptanoic acid, a PFAS 'forever chemical.' | Not detected ng/LAverageEGWD Service Area 2 (SCWA Groundwater) | None set | Detected — no federal limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 2 (SCWA Surface Water), EGWD Service Area 1 (Groundwater)
| |||
| Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LAverageEGWD Service Area 1 (Groundwater) | None set | Detected — no federal limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 2 (SCWA Surface Water), EGWD Service Area 1 (Groundwater)
| |||
| Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LAverageEGWD Service Area 2 (SCWA Surface Water) | None set | Detected — no federal limit |
+By source (2)— EGWD Service Area 1 (Groundwater), EGWD Service Area 2 (SCWA Surface Water)
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detected pCi/LAverageEGWD Service Area 2 (SCWA Surface Water) | 0.05 pCi/LPublic health goal | Within the limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 2 (SCWA Surface Water), EGWD Service Area 1 (Groundwater)
| |||
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | Not detected pCi/LAverageEGWD Service Area 2 (SCWA Groundwater) | 0 pCi/LPublic health goal | Within the limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 2 (SCWA Surface Water), EGWD Service Area 1 (Groundwater)
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | Not detected pCi/LAverageEGWD Service Area 1 (Groundwater) | 0.43 pCi/LPublic health goal | Detected — no federal limit |
+By source (3)— EGWD Service Area 2 (SCWA Groundwater), EGWD Service Area 1 (Groundwater), EGWD Service Area 2 (SCWA Surface Water)
| |||
Source: Elk Grove, CA's 2024 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 Elk Grove, CA's water
+Is Elk Grove, CA tap water safe to drink in 2024?
Every one of the 21 contaminants measured in Elk Grove, CA's 2024 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 Elk Grove, CA tap water?
21 contaminants were measured in Elk Grove, CA's 2024 Consumer Confidence Report, spanning pfas ("forever chemicals"), metals, and radionuclides. 14 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 Elk Grove, CA's 2024 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 Elk Grove, 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 2024 report; a new report will replace it once the utility publishes its next annual update.
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