Maywood, California

Maywood Mutual Water Company Number 3 (Tri-City Mutual) 2024 CCR. Total hardness 230.3 mg/L (154–277). Total chlorine residual 0.8 mg/L (0.4–1.5). No Measure S-style ban turned up — check the sewer agency on the bill.

Cited chemistry for MaywoodA chart of numbers printed on the utility report, each labeled with its unit. Missing numbers are left off.Hardness230.3 mg/L (154–277)Total chlorine residual0.8 mg/L (0.4–1.5)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. Hardness230.3 mg/L (154–277)
  2. Total chlorine residual0.8 mg/L (0.4–1.5)

Best match for Maywood

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.

Shop salt-based softeners

Some links are affiliate links. If you buy through one, we may earn a commission. That does not change the match, and it is not a medical claim.

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Other options that still fit

  • Salt-free conditioner

    A salt-free conditioner changes how scale sticks. It does not soften. Soap and spots stay closer to untreated. No brine line.

    Shop salt-free conditioners

  • Whole-house carbon for chlorine

    That is chlorine. A whole-house carbon filter with an NSF/ANSI 42 chlorine claim is the usual match. A softener will not take chlorine out.

    Shop whole-house carbon

  • Under-sink reverse osmosis

    The under-sink RO we actually run is Cloud RO — NSF/ANSI 58, kitchen tap, not a whole-house tank. Check the exact listing if PFAS is why you are shopping. Shop Amazon first for under-sink RO, or buy Cloud direct. Waterdrop is a tankless option if you want that path. A certifier-listed pitcher is the cheap first step. Nobody is paying for a medical claim.

    Shop under-sink reverse osmosisBuy Cloud RO directShop Waterdrop reverse osmosisShop PFAS-listed pitchers

  • Test the tap first

    A homeowner kit is a start. It is not a state-certified lab. Use a certified lab when the decision is expensive.

    Shop water test kits

On the report

Water utility
Maywood Mutual Water Company No. 3 / Tri-City Mutual Water Company
Hardness
Total Hardness 230.3 mg/L (range 154–277), 2024. — Maywood Mutual Water Company Number 3 2024 Consumer Confidence Report
Disinfectant
Total Chlorine Residual 0.8 mg/L (range 0.4–1.5), MRDL 4.0, 2024. — Maywood Mutual Water Company Number 3 2024 Consumer Confidence Report
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.

Maywood drinking water on this file is Maywood Mutual Water Company Number 3 (DBA Tri-City Mutual). Other Maywood streets can be Mutual No. 1 or No. 2 — check the bill. The opened Water Boards file is PWS CA1910086. 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 2024 report prints total hardness 230.3 mg/L (154–277). Total chlorine residual 0.8 mg/L (0.4–1.5). Kitchen shopping stays the Cloud RO / Waterdrop path already used on other cities if a listing is why you are looking.

Sources

  1. 2024 Consumer Confidence Report (Maywood Mutual No. 3, opened as PWS CA1910086) — Maywood Mutual Water Company No. 3 / 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.