Roseville, California
City of Roseville 2025 Water Quality Report. Hardness prints as two labeled columns — Folsom Lake 26 ppm and groundwater 95 ppm (range 31–280). Chlorine residual 0.78 ppm. No Measure S-style residential softener ban turned up — check the sewer agency on the bill.
- Hardness (Folsom Lake)26 ppm
- Hardness (groundwater)95 ppm (range 31–280)
- Chlorine residual0.78 ppm (range 0.14–1.68)
- Chromium-6 (groundwater)3.56 ppb (range 1.2–4.8)
Best match for Roseville
Salt-based water softener — confirm the district first
Check the sanitation district before installing a salt system.
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
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.
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.
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.
On the report
- Water utility
- City of Roseville Environmental Utilities
- Hardness
- Two labeled columns, 2025. Folsom Lake total hardness 26 ppm. Groundwater 95 ppm (range 31–280). Do not blend. — City of Roseville 2025 Water Quality Report
- Disinfectant
- Chlorine residual 0.78 ppm (range 0.14–1.68), MRDL 4.0, 2025 distribution. Printed as chlorine residual. — City of Roseville 2025 Water Quality Report
- Sanitation district
- City of Roseville (sewer)
- Brine / salt to the sewer
- Check the sanitation district before installing. Opened Roseville ecode360 Chapter 14.12 sewer-use prohibitions. No self-regenerating softener install ban. § 14.12 lists director discretion over wastes with unusual dissolved solids (example language includes sodium chloride) — that is not a Measure S-style residential install prohibition. Ask Environmental Utilities before 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.
- MicroplasticsWHO’s 2019 review examined studies that found microplastic particles in treated tap and bottled water in many places. That is a published-occurrence finding, not a number from this city’s water-quality report, and we do not invent a particles-per-liter count for the tap.Microplastics in drinking-water — World Health Organization
- Chromium-6The 2025 report prints hexavalent chromium as two labeled columns — Folsom Lake 0.13 and groundwater 3.56 ppb (range 1.2–4.8). Those are the printed columns, not a blend we invented.Folsom Lake 0.13; groundwater 3.56 ppb (range 1.2–4.8).2025 Water Quality Report — City of Roseville Environmental Utilities
- PFASEPA’s Fifth Unregulated Contaminant Monitoring Rule required community systems this size to test 29 PFAS and lithium in 2023–2025. Open the UCMR 5 Data Finder for this PWS. This file does not invent a detection.Fifth Unregulated Contaminant Monitoring Rule — U.S. Environmental Protection Agency
Roseville drinking water is Folsom Lake surface water and groundwater delivered by Environmental Utilities. Opened Chapter 14.12 sewer-use rules do not print a Measure S-style residential self-regenerating install ban. Ask Environmental Utilities before you cut a brine drain. This is not a legal opinion.
The 2025 report prints hardness as two labeled columns — Folsom Lake 26 ppm and groundwater 95 ppm (range 31–280). We do not invent a blend. Chlorine residual 0.78 ppm (range 0.14–1.68). Kitchen shopping stays the Cloud RO / Waterdrop path already used on other cities if a listing is why you are looking.
Sources
- 2025 Water Quality Report — City of Roseville Environmental Utilities. Accessed 2026-09-09.
- Chapter 14.12 Regulation of Sewer Use — City of Roseville (ecode360). Accessed 2026-09-09.
Updated September 9, 2026. A city file is chemistry we can cite plus the sewer rule. No invented detections.