Worcester, Massachusetts
Worcester DPW Water Operations 2025 Water Quality Report. Hardness 29.8 ppm (range 21.9–55.2). Total chlorine 1.05 ppm (range 0.1–3.7). No Measure S-style residential softener ban turned up.
- Hardness29.8 ppm (range 21.9–55.2)
- Total chlorine1.05 ppm (range 0.1–3.7)
- TTHMs63 ppb (range 17–92)
- HAA541 ppb (range 16–58)
Best match for Worcester
Whole-house carbon for chlorine
No district prohibition on a brine drain turned up in the current file.
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.
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Other options that still fit
Do not buy a softener on this supply
This supply is soft on the published numbers. A salt tank is usually the wrong box unless you are on a well or a different utility. Test the tap before you buy hardness equipment.
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
On the report
- Hardness
- Hardness 29.8 ppm (range 21.9–55.2). Naturally occurring. An indirect measure of calcium and magnesium. 2025 table. — Worcester 2025 Water Quality Report
- Disinfectant
- Total chlorine 1.05 ppm (range 0.1–3.7), MRDL 4.0, MRDLG 4.0. Added during treatment. Narrative says Worcester’s water contains about 25% of the maximum allowed residual chlorine (4.0 ppm). — Worcester 2025 Water Quality Report
- Brine / salt to the sewer
- No district prohibition found in current research. Searched Worcester DPW and City of Worcester sewer pages and codes for a residential self-regenerating softener or brine-drain ban like LACSD Measure S. None turned up. Ask the sewer agency on the 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.
- 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
- 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
Worcester drinking water is treated and delivered by Worcester DPW Water Operations. No City of Worcester residential softener ban like LACSD Measure S turned up. Ask the sewer agency on the bill before you cut a brine drain. This is not a legal opinion.
The 2025 Water Quality Report prints hardness 29.8 ppm (range 21.9–55.2). We do not invent a grains number that table did not print.
Total chlorine 1.05 ppm (range 0.1–3.7). TTHMs 63 ppb (range 17–92). HAA5 41 ppb (range 16–58). 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 — Worcester Department of Public Works. Accessed 2026-09-09.
Updated September 9, 2026. A city file is chemistry we can cite plus the sewer rule. No invented detections.