Is Santa Clarita tap water safe to drink?

Yes but with caveats

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

66/100
Purity Score
3
Issues Found
9.5 GPG
Hardness
Detected
PFAS

3 Issues Detected in Santa Clarita

PFAS (Forever Chemicals) Detected

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

PFAS details for Santa Clarita

Moderately Hard Water (9.5 GPG)

Hardness above 7 GPG can cause minor scale buildup.

Hardness data for Santa Clarita

Arsenic Approaching Limit (0.5 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Santa Clarita
California

913,509,135,191,354 · State Water Project and local groundwater

Santa Clarita, CA Water Quality Report

Moderate Risk Updated March 2026 228,673 residents
See Best Filters for Santa Clarita
66
Purity Score

Contaminant Levels

PFAS
2.2 ppt
Lead
2.5 ppb
Nitrate
1.5 mg/L
Arsenic
0.5 mg/L
Hardness
9.5 gpg

Health Insights

  • 1
    With a hardness of 9.5 GPG, Santa Clarita residents may notice white scale on faucets. Hard water increases maintenance costs.
  • 2
    PFAS have been identified in Santa Clarita's water at 2.2 parts per trillion. A reverse osmosis system is the most reliable home treatment.

Score

66 /100
Moderate
"Good" threshold (70)

Santa Clarita tap water is sourced from State Water Project and local groundwater and treated by Santa Clarita Valley Water Agency. PFAS forever chemicals have been detected. Water hardness is hard at 9.5 GPG which may cause scale buildup. Overall purity score: 66/100 (Moderate). Updated for 2026.

Fix Your Water

Best filters matched to Santa Clarita's 3 issues.

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Explore Santa Clarita Water Data

PFAS in Santa ClaritaForever chemicals
Lead in Santa ClaritaLead risk
Santa Clarita Hard WaterHardness data
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Santa Clarita Water FAQ

Is Santa Clarita CA tap water safe to drink in 2026?
Santa Clarita tap water meets EPA federal drinking water standards and scores 66/100 (Moderate) on PurityMap for 2026. PFAS forever chemicals have been detected at 2.2 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 Santa Clarita CA use chlorine or chloramine for disinfection?
Santa Clarita uses chloramine as the primary disinfectant with a residual level of 1.0 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 Santa Clarita CA water and what is the TDS level?
Santa Clarita water hardness is 9.5 grains per gallon (hard) with a TDS of 395 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 Santa Clarita CA drinking water?
Yes. PFAS forever chemicals have been detected in Santa Clarita water at approximately 2.2 ppt according to EPA UCMR5 monitoring data. A reverse osmosis or NSF P473-certified filter is the most effective residential solution.

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
  • Santa Clarita Valley Water Agency CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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