Is Manteca, CA Tap Water Safe to Drink?
Manteca tap water meets federal Safe Drinking Water Act standards but 2 of 2 ZIP codes show detections above EPA health guidelines, primarily for PFHxS. A certified filter is recommended for households that want an additional layer of protection.
Where Does Manteca Get Its Water?
Water in Manteca, CA is provided by 1 public water system: MANTECA, CITY OF.
How Is Manteca Tap Water Treated?
Treated water is disinfected using free chlorine. Treatment includes groundwater disinfection.
What's in Manteca Tap Water?
The following contaminants were detected most frequently in Manteca public water systems. 2 of 2 ZIP codes showed detections above EPA health guidelines.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| PFHxS | 0.018 µg/L | 0.004 µg/L | 2 ZIPs | Above guideline |
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| HFPO-DA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 8:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Manteca
Based on EPA monitoring data, 2 of 2 ZIP codes in Manteca 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 Manteca Tap Water
Is Manteca tap water safe to drink?
Manteca tap water meets Safe Drinking Water Act requirements but 2 of 2 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 Manteca tap water?
The most commonly detected contaminants in Manteca water systems include: PFHxS, lithium, PFTrDA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Manteca get its drinking water?
Manteca receives water from one public water system, including MANTECA, CITY OF.
Do I need a water filter in Manteca?
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 Manteca tap water tested?
Public water systems in Manteca 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 2025-07-15.
Tap water reports by ZIP in Manteca
- 95336 - Stockton CCD, Manteca tap water report Higher concern
- 95337 - Manteca CCD, Manteca tap water report Higher concern
Water utilities serving Manteca, 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.
- MANTECA, CITY OFAction advised
- SOUTH SAN JOAQUIN IRRIGATION DISTRICTNo recent federal sampling
Also covers / overlaps with
- Manteca CCD, CA · Township
- Stockton CCD, CA · Township