Merced, California

City of Merced 2024 Consumer Confidence Report (Water Boards). The 2024 report prints total hardness as CaCO3 **115.4 mg/L** (59–260), 2022 sample year. Chlorine **0.67 mg/L** (0.31–1.23), 2024. No Measure S-style residential softener ban turned up — check the sewer agency on the bill.

Cited chemistry for MercedA chart of numbers printed on the utility report, each labeled with its unit. Missing numbers are left off.Hardness115.4 mg/L (59–260)Chlorine0.67 mg/L (0.31–1.23)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. Hardness115.4 mg/L (59–260)
  2. Chlorine0.67 mg/L (0.31–1.23)

Best match for Merced

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.

As an Amazon Associate we earn from qualifying purchases.

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
City of Merced
Hardness
Hardness (Total) as CaCO3 115.4 mg/L (range 59–260), sampled 2022. City of Merced 2024 CCR. — City of Merced 2024 Consumer Confidence Report
Disinfectant
Chlorine 0.67 mg/L (range 0.31–1.23), MRDL 4.0 as Cl2, 2024. Drinking water disinfectant added for treatment. — City of Merced 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.

Merced drinking water on this file is City of Merced, PWS CA2410009. 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 as CaCO3 115.4 mg/L (59–260), 2022 sample year. Chlorine 0.67 mg/L (0.31–1.23), 2024. 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 (PWS CA2410009) — City of Merced / 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.