Is Irvine tap water safe to drink?

Yes but with caveats

Irvine's water meets EPA minimum standards but has some concerns including PFAS detected. Filtration is recommended for sensitive individuals.

63/100
Purity Score
3
Issues Found
11.2 GPG
Hardness
Detected
PFAS

3 Issues Detected in Irvine

PFAS (Forever Chemicals) Detected

PFAS are man-made chemicals that do not break down and accumulate in the body.

PFAS details for Irvine

Very Hard Water (11.2 GPG)

Hard water causes scale in pipes and shortens appliance lifespan.

Hardness data for Irvine

Arsenic Approaching Limit (0.4 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Irvine
California

926,029,260,392,604 · Metropolitan Water District and local groundwater

Irvine, CA Water Quality Report

Elevated Risk Updated March 2026 307,670 residents
See Best Filters for Irvine
63
Purity Score

Contaminant Levels

PFAS
2.5 ppt
Lead
2.5 ppb
Nitrate
1.8 mg/L
Arsenic
0.4 mg/L
Hardness
11.2 gpg

Health Insights

  • 1
    With a hardness of 11.2 GPG, Irvine residents may notice white scale on faucets. Hard water increases maintenance costs.
  • 2
    PFAS have been identified in Irvine's water at 2.5 parts per trillion. A reverse osmosis system is the most reliable home treatment.

Score

63 /100
Moderate
"Good" threshold (70)

Irvine tap water is sourced from Metropolitan Water District and local groundwater and treated by Irvine Ranch Water District. PFAS forever chemicals have been detected. Water hardness is very hard at 11.2 GPG which may cause scale buildup. TDS is 465 ppm which is above the EPA secondary guideline of 500 ppm. Overall purity score: 63/100 (Moderate). Updated for 2026.

Fix Your Water

Best filters matched to Irvine's 3 issues.

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Explore Irvine Water Data

PFAS in IrvineForever chemicals
Lead in IrvineLead risk
Irvine Hard WaterHardness data
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Irvine Water FAQ

Is Irvine CA tap water safe to drink in 2026?
Irvine tap water meets EPA federal drinking water standards and scores 63/100 (Moderate) on PurityMap for 2026. PFAS forever chemicals have been detected at 2.5 ppt. An NSF-certified filter is strongly recommended. For most healthy adults the water is considered safe but point-of-use filtration adds an important layer of protection.
Does Irvine CA use chlorine or chloramine for disinfection?
Irvine uses chloramine as the primary disinfectant with a residual level of 0.9 ppm. Chloramine is harder to remove than free chlorine and requires a catalytic carbon or reverse osmosis filter. Standard Brita-style pitchers will NOT remove chloramine.
How hard is Irvine CA water and what is the TDS level?
Irvine water hardness is 11.2 grains per gallon (very hard) with a TDS of 465 ppm (poor). This level causes noticeable scale buildup in water heaters kettles and dishwashers. A water softener is recommended to protect plumbing and reduce soap usage.
Has PFAS been found in Irvine CA drinking water?
Yes. PFAS forever chemicals have been detected in Irvine water at approximately 2.5 ppt according to EPA UCMR5 monitoring data. A reverse osmosis or NSF P473-certified filter is the most effective residential solution.
What is the best water filter for Irvine?
Based on Irvine's water profile, we recommend the Clearly Filtered Water Pitcher. Irvine: PFAS detected or elevated lead risk. Reverse osmosis is the only residential technology proven to reduce both below detection limits. TDS will also drop significantly.

Nearby Reports

BakersfieldCalifornia — 55/100RiversideCalifornia — 58/100San BernardinoCalifornia — 58/100Moreno ValleyCalifornia — 58/100FontanaCalifornia — 58/100Chula VistaCalifornia — 61/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • Irvine Ranch Water District CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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