Diamond Springs
CA · CDP

Is Diamond Springs, CA Tap Water Safe to Drink?

Diamond Springs, CA tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Contaminants including lithium have been detected at or below guideline thresholds.

3Water systems
3ZIP codes
0%ZIPs above EPA guideline
Metro areaSacramento-Roseville-Folsom, CA
Latest data2025-09-10

Where Does Diamond Springs Get Its Water?

Water in Diamond Springs, CA is provided by 3 public water systems: PLACERVILLE, CITY OF - MAIN, EL DORADO ID - MAIN and Red Hawk Casino - Shingle Springs.

How Is Diamond Springs Tap Water Treated?

Treated water is disinfected using free chlorine. Treatment includes conventional treatment (coagulation, flocculation, and filtration) and post-ozone biofiltration.

What's in Diamond Springs Tap Water?

The following contaminants were detected most frequently in Diamond Springs public water systems. All detected levels fall at or below EPA health guidelines in this dataset.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 9 µg/L — 0 ZIPs Within guideline
PFTrDA 0.007 µg/L 0.007 µg/L 1 ZIP Within guideline
8:2 FTS 0.005 µg/L — 0 ZIPs Within guideline
PFBA 0.005 µg/L — 0 ZIPs Within guideline
HFPO-DA 0.005 µg/L — 0 ZIPs Within guideline

Health Risk Profile for Diamond Springs

Current EPA monitoring data for Diamond Springs shows contaminant levels within guideline thresholds across all ZIP codes in this dataset. As with all public water systems, sensitive populations may choose to use a certified filter for additional peace of mind.

Best Broad-Spectrum Filters for This Water Profile

This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.

Waterdrop G3P600 Reverse Osmosis System
Under-sink RO system

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about Diamond Springs Tap Water

Is Diamond Springs tap water safe to drink?

Diamond Springs tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Sensitive populations may still choose to use a certified filter as a precaution.

What contaminants are in Diamond Springs tap water?

The most commonly detected contaminants in Diamond Springs water systems include: lithium, PFTrDA, 8:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Diamond Springs get its drinking water?

Diamond Springs receives water from 3 public water systems, including PLACERVILLE, CITY OF - MAIN.

Do I need a water filter in Diamond Springs?

Current data does not show guideline exceedances in Diamond Springs. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.

How often is Diamond Springs tap water tested?

Public water systems in Diamond Springs are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-09-10.

Tap water reports by ZIP in Diamond Springs

Water utilities serving Diamond Springs, CA

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline.

Also covers / overlaps with