Cape Coral, Florida

City of Cape Coral 2024 Annual Drinking Water Quality Report. FAQ prints total hardness 5.5–6.5 grains per gallon. Chlorine residual 1.34 ppm (range 0.21–3.0). No Measure S-style residential softener ban turned up.

Cited chemistry for Cape CoralA chart of numbers printed on the utility report, each labeled with its unit. Missing numbers are left off.Hardness5.5–6.5 gpgChlorine1.34 ppm (range 0.21–3.0)HAA55.70 ppb (range 2.70–9.88)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. Hardness5.5–6.5 gpg
  2. Chlorine1.34 ppm (range 0.21–3.0)
  3. HAA55.70 ppb (range 2.70–9.88)

Best match for Cape Coral

Salt-based water softener

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.

A salt-based softener is the thing that actually removes hardness. Size it from your grains and how much water you use, not bathroom count. It needs a drain.

Shop salt-based softeners

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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
City of Cape Coral Utilities
Hardness
FAQ on the same 2024 CCR. City water has 5.5 to 6.5 grains per gallon of total hardness. The FAQ calls that soft to moderately hard. One printed range — not a blend we invented. — City of Cape Coral 2024 Annual Drinking Water Quality Report
Disinfectant
Chlorine 1.34 ppm (range 0.21–3.0), MRDL 4 / MRDLG 4. Stage 1 disinfectant table, 2024 monthly. Free chlorine, not chloramine. The 2023 TTHM quarterly row on the same PDF is a different year — this file does not use it. — City of Cape Coral 2024 Annual Drinking Water Quality Report
Brine / salt to the sewer
No district prohibition found in current research. Searched city water and sewer pages 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.

Cape Coral drinking water is City of Cape Coral Utilities (RO plant). No City of Cape Coral 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 2024 report FAQ prints total hardness 5.5–6.5 grains per gallon. Chlorine 1.34 ppm (0.21–3.0). HAA5 5.70 ppb (2.70–9.88). The TTHM row labeled 2023 Quarterly is a different year — this file does not use it. Kitchen shopping stays the Cloud RO / Waterdrop path already used on other cities if a listing is why you are looking.

Sources

  1. 2024 Annual Drinking Water Quality Report — City of Cape Coral Utilities. Accessed 2026-09-11.

Updated September 11, 2026. A city file is chemistry we can cite plus the sewer rule. No invented detections.