Tap Water Quality Report

Tap water quality in PLACERVILLE, California

Served by EL DORADO ID - MAIN. 132,171 residents.

Average score 65/100
Utilities 1
Population 132,171
D
65/100
Below Average
ⓘ How did we get this rating?
Quick answer

Tap water in PLACERVILLE, California receives a grade of D (65/100) from TapWaterSafety.org. It's served by EL DORADO ID - MAIN. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?

What's in PLACERVILLE's tap water

Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving PLACERVILLE.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 35.9 ppb, 599x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 36.2 ppb, 362x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 44.5 ppb, 296x above the EWG health guideline of 0.15 ppb.

Recommended filters for PLACERVILLE

Filters matched to the specific contaminants in PLACERVILLE's water supply.

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

All contaminants detected in PLACERVILLE's tap water

Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Haloacetic acids (HAA9)
Disinfection byproduct
35.9 ppb 0.06 599× over
Haloacetic acids (HAA5)
Disinfection byproduct
36.2 ppb 0.1 60.0 60 362× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
44.5 ppb 0.15 80.0 100 296× over
Trichloroacetic acid
Disinfection byproduct
22.4 ppb 0.1 224× over
Chloroform
Disinfection byproduct
41.6 ppb 0.4 104× over
Dichloroacetic acid
Disinfection byproduct
11.8 ppb 0.2 59× over
Bromodichloromethane
Disinfection byproduct
2.8 ppb 0.06 47× over
Chromium (hexavalent)
Heavy metal
0.0353 ppb 0.02 1.8× over
Chlorate
Disinfection byproduct
111.8 ppb 210.0 Below guideline
Nitrate and nitrite
Inorganic
0.0533 ppm 0.14 10.0 11.3 11.3 10 Below guideline
Nitrate
Inorganic
0.0436 ppm 0.14 10.0 11.3 11.3 10 Below guideline
Dibromochloromethane
Disinfection byproduct
0.00649 ppb 0.1 Below guideline
Monochloroacetic acid
Disinfection byproduct
3.31 ppb 53.0 Below guideline
Manganese
Heavy metal
1.79 ppb 100.0 50 80 Below guideline
Vanadium
Other
0.294 ppb 21.0 Below guideline
Perfluoropentanoic Acid (PFPeA)
PFAS
0.267 ppt 1000.0 Below guideline
Strontium
Radiological
0.0433 ppb 1500.0 Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.

Treatment plant contact info

For service issues, water quality concerns, or to request a Consumer Confidence Report from EL DORADO ID - MAIN.

Treatment Plant

FacilityRESERVOIR A WTP - TREATED

ZIP codes served

PLACERVILLE's public water systems serve the following ZIP codes: