NNoohiConstruction

The Atlas · Chatsworth, Los Angeles County, CA

Water filtration in Chatsworth.

Chatsworth sits at the northern edge of the LADWP distribution network where the groundwater share of the supply is highest. The aerospace and manufacturing history of the Simi Valley corridor has left a legacy of hexavalent chromium in some basin wells, though LADWP has completed remediation on the affected sources. Verify current contamination status with the LADWP CCR linked below. We run a full in home water test on every Chatsworth visit before we touch a single fitting.

Schedule a free water testOr call us direct(818) 934-8030

The Water — Where it comes from

The local supply, in plain language.

Chatsworth is served by Los Angeles Department of Water and Power. LADWP blend. Chatsworth is at the northern edge of the Valley system and draws on a larger share of local groundwater wells than most other LADWP zones. LADWP has completed remediation work on contaminated wells in this corridor (verify current status with the utility).

Common local concerns

  • · Chloramine disinfection byproducts (TTHM HLRAA 34.4 ppb per LADWP 2024 CCR, MCL 80)
  • · Hardness elevated above Valley average in high-groundwater zones (verify current GPG with LADWP)
  • · Hexavalent chromium historically detected in some San Fernando Basin wells near the aerospace corridor; LADWP has remediated affected sources (confirm with current CCR)
  • · HAA5 14.9 ppb (MCL 60)

Read the Los Angeles Department of Water and Power water-quality page

Services available in Chatsworth

Cities covered under Chatsworth

Chatsworth.

Nearby SFV areas we cover

Your free water test

Know exactly what's in your water. Same week.

We bring the test strips, the equipment, and five-years of installs to your kitchen sink. No charge. No obligation. You walk away knowing · even if you don't hire us.

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Same-day · 5-year warranty · $0 down