Artesia, California

Golden State Water Company — Artesia 2025 Consumer Confidence Report. Hardness as CaCO3 191 mg/L (135–277) / 11 grains (7.9–16), 2025. Cover is the GSWC Artesia Water System. Chlorine as Cl2 1.2 mg/L (0.1–2.2), MRDL 4.0, 2025. The booklet also says MWD imported water contains chloramine. No Measure S-style ban turned up — check the sewer agency on the bill.

Cited chemistry for ArtesiaA chart of numbers printed on the utility report, each labeled with its unit. Missing numbers are left off.Hardness191 mg/L as CaCO3 (135–277)Chlorine as Cl21.2 mg/L (0.1–2.2)WQR
Cited numbers from the utility report. Length follows the printed value against a labeled scale — not a health ranking. If the report has no number, it is not on the chart.
  1. Hardness191 mg/L as CaCO3 (135–277)
  2. Chlorine as Cl21.2 mg/L (0.1–2.2)

Best match for Artesia

Salt-based water softener — confirm the district first

Two tall mineral tanks and a black brine tank of a salt-based water softener, plumbed with copper pipe in a garage.
Salt-based softener: two mineral tanks and a brine tank.

Ask the agency on the sewer side of the bill before you cut a brine drain. California lets districts restrict self-regenerating units. A “banned in California” blog is not your district.

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Other options that still fit

On the report

Water utility
Golden State Water Company — Artesia
Hardness
Hardness as CaCO3 191 mg/L (135–277) / 11 grains (7.9–16), 2025. Cover is the GSWC Artesia Water System. — Golden State Water Company Artesia 2026 CCR (2025 data)
Disinfectant
Chlorine as Cl2 1.2 mg/L (0.1–2.2), MRDL 4.0, 2025. The booklet also says MWD imported water contains chloramine. — Golden State Water Company Artesia 2026 CCR (2025 data)
Brine / salt to the sewer
Check the sanitation district before installing. No city or sanitation-district residential self-regenerating softener ban like LACSD Measure S or IEUA Ordinance § 2.6 turned up on the pages we opened. That is not a statewide ban finding. Ask the agency on the sewer bill before you cut a brine drain.

Also around here

Extra context besides the utility report and the chart above — geology, an unregulated table, or a published study. Not a second set of printed tap numbers.

Artesia drinking water on this file is Golden State Water Company — Artesia, PWS CA1910004. No city or sanitation-district residential self-regenerating softener ban like LACSD Measure S or IEUA Ordinance § 2.6 turned up on the pages we opened. That is not a statewide ban finding. Ask the agency on the sewer bill before you cut a brine drain. This is not a legal opinion.

The 2025 report prints Hardness as CaCO3 191 mg/L (135–277) / 11 grains (7.9–16), 2025. Cover is the GSWC Artesia Water System. Chlorine as Cl2 1.2 mg/L (0.1–2.2), MRDL 4.0, 2025. The booklet also says MWD imported water contains chloramine. Kitchen shopping stays the Cloud RO / Waterdrop path already used on other cities if a listing is why you are looking.

Sources

  1. 2025 Consumer Confidence Report (PWS CA1910004) — Golden State Water Company — Artesia / State Water Resources Control Board. Accessed 2026-09-11.

Updated September 11, 2026. A city file is chemistry we can cite plus the sewer rule. No invented detections.