Is Roseville, CA Tap Water Safe to Drink?
Roseville tap water meets federal Safe Drinking Water Act standards but 3 of 3 ZIP codes show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.
Where Does Roseville Get Its Water?
Water in Roseville, CA is provided by 4 public water systems: CITY OF ROSEVILLE, CITRUS HEIGHTS WATER DISTRICT, CALAM - ANTELOPE and CALAM - WEST PLACER.
How Is Roseville Tap Water Treated?
Treated water is disinfected using chloramines and free chlorine. Treatment includes conventional treatment (coagulation, flocculation, and filtration), groundwater disinfection, ion exchange and post-ozone biofiltration.
What's in Roseville Tap Water?
The following contaminants were detected most frequently in Roseville public water systems. 3 of 3 ZIP codes showed detections above EPA health guidelines.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 63.1 µg/L | 10 µg/L | 3 ZIPs | Above guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| 8:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 6:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Roseville
Based on EPA monitoring data, 3 of 3 ZIP codes in Roseville have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.
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.
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 Roseville Tap Water
Is Roseville tap water safe to drink?
Roseville tap water meets Safe Drinking Water Act requirements but 3 of 3 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.
What contaminants are in Roseville tap water?
The most commonly detected contaminants in Roseville water systems include: lithium, PFTrDA, 8:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Roseville get its drinking water?
Roseville receives water from 4 public water systems, including CITY OF ROSEVILLE.
Do I need a water filter in Roseville?
If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.
How often is Roseville tap water tested?
Public water systems in Roseville 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 2025-09-15.
Tap water reports by ZIP in Roseville
- 95661 - Roseville CCD, Roseville tap water report Higher concern
- 95678 - Roseville CCD, Roseville tap water report Higher concern
- 95747 - Lincoln CCD, Roseville tap water report Higher concern
Water utilities serving Roseville, 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.
- CITY OF ROSEVILLEAction advised
Also covers / overlaps with
- Roseville CCD, CA · Township
- Lincoln CCD, CA · Township