91360
Thousand Oaks, CA
Ventura County · Oxnard-Thousand Oaks-Ventura, CA metro area
CAL AMERICAN WATER CO

Is tap water in Mountclef Village (91360) safe to drink?

Higher concern
Last tested: November 2024
Source: Official EPA UCMR5 federal monitoring data. Last tested November 2024.
Township:
  • Thousand Oaks CCD, CA
Neighborhoods:
  • Mountclef Village
  • Greenwich Village
  • Conejo Valley Trailer Park
  • Newbury Park
  • North Ranch
  • Thousand Oaks

The short answer for Mountclef Village (91360)

Thousand Oaks tap water has 4:2 FTS above EPA guidelines (tested November 2024). See the full report with all tested compounds and filter options.

The health risk for Thousand Oaks

PFAS ('forever chemicals') have been detected above EPA limits in this water system's most recent tests. These synthetic chemicals do not break down in the body and are linked to a range of health effects. A certified filter is strongly recommended.
  • lithium above limit.
4:2 FTS concentration (µg/L) November 2024
0 µg/L 0.003 µg/L 0.01 µg/L
0.003 µg/L
Detected
µg/L
0.003 µg/L
EPA limit
guideline
100% of limit
Comparison
vs. guideline
EPA limit: 0.003 µg/L | Your water: 0.003 µg/L
Certified Filters for Thousand Oaks Tap Water

4:2 FTS (a PFAS 'forever chemical') was detected above EPA limits. These filters are independently certified to reduce common drinking-water contaminants.

Water filter recommendation for Thousand Oaks tap water: Epic Pure XP Water Filter Pitcher
Pitcher filter
Epic Pure XP Water Filter Pitcher
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
NSF/ANSI 42, 53, 401 & P473Removes 99.99% PFASMade in USABPA-free
Best for renters or quick setup. No installation needed.
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Most elevated compounds
Compound Measurement EPA Limit Comparison
4:2 FTS
Tested: November 2024 · MWDSC Intertie		 0.003 µg/L 0.003 µg/L 100% of limit
View all tested compounds

MWDSC Intertie · Tested: June 2024

Compound Measurement EPA Limit Comparison
lithium 15.100 µg/L 10 µg/L 51% above limit
PFHxS <0.003 µg/L 0.004 µg/L Below limit
HFPO-DA <0.005 µg/L 0.01 µg/L Below limit
PFNA <0.004 µg/L 0.01 µg/L Below limit
PFHxA <0.003 µg/L 3 µg/L Below limit
PFBA <0.005 µg/L 6 µg/L Below limit
11Cl-PF3OUdS <0.005 µg/L 0.005 µg/L Below limit
4:2 FTS <0.003 µg/L 0.003 µg/L Below limit
6:2 FTS <0.005 µg/L 0.005 µg/L Below limit
8:2 FTS <0.005 µg/L 0.005 µg/L Below limit
9Cl-PF3ONS <0.002 µg/L 0.002 µg/L Below limit
ADONA <0.003 µg/L 0.003 µg/L Below limit
PFBS <0.003 µg/L 0.003 µg/L Below limit
PFDA <0.003 µg/L 0.003 µg/L Below limit
PFDoA <0.003 µg/L 0.003 µg/L Below limit
PFHpA <0.003 µg/L 0.003 µg/L Below limit
PFHpS <0.003 µg/L 0.003 µg/L Below limit
PFOA <0.004 µg/L 0.004 µg/L Below limit
PFOS <0.004 µg/L 0.004 µg/L Below limit
PFPeA <0.003 µg/L 0.003 µg/L Below limit
PFTrDA <0.007 µg/L 0.007 µg/L Below limit
PFUnA <0.002 µg/L 0.002 µg/L Below limit

MWDSC Intertie · Tested: November 2024

Compound Measurement EPA Limit Comparison
4:2 FTS 0.003 µg/L 0.003 µg/L 100% of limit
lithium <9.000 µg/L 10 µg/L Below limit
PFHxS <0.003 µg/L 0.004 µg/L Below limit
HFPO-DA <0.005 µg/L 0.01 µg/L Below limit
PFNA <0.004 µg/L 0.01 µg/L Below limit
PFHxA <0.003 µg/L 3 µg/L Below limit
PFBA <0.005 µg/L 6 µg/L Below limit
11Cl-PF3OUdS <0.005 µg/L 0.005 µg/L Below limit
4:2 FTS <0.003 µg/L 0.003 µg/L Below limit
6:2 FTS <0.005 µg/L 0.005 µg/L Below limit
8:2 FTS <0.005 µg/L 0.005 µg/L Below limit
9Cl-PF3ONS <0.002 µg/L 0.002 µg/L Below limit
ADONA <0.003 µg/L 0.003 µg/L Below limit
PFBS <0.003 µg/L 0.003 µg/L Below limit
PFDA <0.003 µg/L 0.003 µg/L Below limit
PFDoA <0.003 µg/L 0.003 µg/L Below limit
PFHpA <0.003 µg/L 0.003 µg/L Below limit
PFHpS <0.003 µg/L 0.003 µg/L Below limit
PFOA <0.004 µg/L 0.004 µg/L Below limit
PFOS <0.004 µg/L 0.004 µg/L Below limit
PFPeA <0.003 µg/L 0.003 µg/L Below limit
PFTrDA <0.007 µg/L 0.007 µg/L Below limit
PFUnA <0.002 µg/L 0.002 µg/L Below limit

Water utilities serving ZIP 91360

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.

Frequently Asked Questions about ZIP 91360 Tap Water

What contaminants are above EPA limits in ZIP 91360?

ZIP 91360 has 4:2 FTS above EPA health guidelines in the latest available data. The full table on this page lists every tested compound and its measured level.

Will boiling ZIP 91360 tap water remove 4:2 FTS?

Boiling tap water can kill many pathogens, but it does not remove most chemical contaminants tracked in EPA monitoring. Several dissolved contaminants can even concentrate as water evaporates. For the chemical contaminants reported in ZIP 91360, a certified filter is more reliable.

Do basic pitcher filters remove 4:2 FTS?

Basic pitcher filters are typically rated for chlorine, taste, and odor (NSF/ANSI 42), not for the broader list of contaminants tracked in EPA monitoring. Match the certification (NSF/ANSI 42, 53, 58, or P473) to the specific compounds listed in this report before assuming a filter helps.

Who provides tap water in ZIP 91360?

Public records identify CAL AMERICAN WATER CO as a primary water system associated with ZIP 91360. Service boundaries can vary by address, so confirm exact service with the utility.

When was ZIP 91360 tap water last tested?

The most recent test date used in this report is November 2024. EnviroClarity last refreshed this page on 2026-05-04.

Where can I find the official water quality report for ZIP 91360?

Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact CAL AMERICAN WATER CO or visit their website for the latest official report covering ZIP 91360. The EPA also maintains a national CCR locator.

Primary source EPA UCMR5 (2023-2025)
Guideline source EPA drinking water standard (lithium: 10 µg/L)
Last tested November 2024
Last page update 2026-05-04

Check another ZIP code

    Nearby ZIP reports

    Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.

    Protect your water in Thousand Oaks → see certified filters