Fillmore, California
Los Angeles Regional Water Quality Control Board revised tentative WDR for the Fillmore Water Recycling Plant, Finding 29, says the City issued an ordinance prohibiting installation of new self-regenerating water softeners in 2004. That is a city sewer-side rule — not a statewide ban. City of Fillmore 2025 CCR prints total hardness 575 ppm as CaCO3 (438–810) and chlorine 1.38 ppm (0.58–2.10).
- Hardness575 ppm (438–810)
- Chlorine1.38 ppm (0.58–2.10)
Best match for Fillmore
Portable-exchange softening — not a brine tank
A self-regenerating salt softener that drains to the sewer is prohibited here.
Portable-exchange tanks, if that exception applies at your address. The resin still removes hardness. The salt work happens off site. Do not install a self-regenerating unit to the sewer here.
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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 Fillmore Water Department
- Hardness
- Hardness, Total [as CaCO3] (ppm) 2025 average 575, range 438–810. City of Fillmore 2025 CCR. Groundwater wells 7 and 8. — City of Fillmore 2025 Annual Water Quality Report (PWS CA5610002)
- Disinfectant
- Chlorine 1.38 ppm (range 0.58–2.10), MRDL 4 / MRDLG 4, 2025. Narrative: chlorine added as a precautionary measure. Not chloramine on that table. — City of Fillmore 2025 Annual Water Quality Report
- Sanitation district
- City of Fillmore sewer / Fillmore Water Recycling Plant
- Brine / salt to the sewer
- Self-regenerating salt softeners prohibited (district rule). Los Angeles Regional Water Quality Control Board revised tentative WDR, Fillmore Water Recycling Plant, Order No. R4-2023-XXXX, Finding 29: “The City has issued an ordinance prohibiting the installation of new self-regenerating water softeners in 2004 to reduce influent chloride loadings to the Fillmore WRP.” The same finding says the City implemented a buyback program since 2008 and had removed 99 of about 450 pre-2004 units as of April 2023. We opened that Regional Board finding, not a numbered municipal-code section. That is a City of Fillmore sewer-side rule — not a statewide ban. Ask Public Works or the agency on the sewer bill about the address.
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
City sewer-side rule, not a statewide ban. Los Angeles Regional Water Quality Control Board revised tentative WDR for the Fillmore Water Recycling Plant, Finding 29: the City issued an ordinance prohibiting installation of new self-regenerating water softeners in 2004, and has run a buyback since 2008. We opened that Regional Board finding, not a numbered municipal-code section. Ask Public Works or the agency on the sewer bill about the address.
Drinking water is City of Fillmore Water Department, PWS CA5610002, groundwater wells 7 and 8. The 2025 CCR prints total hardness as CaCO3 575 ppm (438–810). Chlorine 1.38 ppm (0.58–2.10). Kitchen shopping stays the Cloud RO / Waterdrop path already used on other cities if a listing is why you are looking.
Sources
- Revised tentative WDR, Fillmore WRP, Finding 29 (2004 self-regenerating softener ordinance) — Los Angeles Regional Water Quality Control Board. Accessed 2026-09-11.
- 2025 Annual Water Quality Report (PWS CA5610002) — City of Fillmore / 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.