Water Treatment in Lake Worth Beach

How the Lake Worth Beach Water Plant Works

Lake Worth Beach is one of the few Palm Beach County utilities that runs both lime softening and reverse osmosis on the same site and blends the two. Here is what that means:

• Lime softening plant (up to 12.9 million gallons per day): fresh groundwater from 12 production wells within half a mile of the plant, 100 to 300 feet deep in the Surficial and Biscayne aquifers. Lime is added to drop hardness and other minerals out, then the water settles and runs through six multimedia gravity filters.
• Reverse osmosis plant (about 5.1 to 5.2 MGD): built in 2011 to reduce the City's reliance on the shallow aquifer. Three Floridan Aquifer wells about 1,500 feet deep supply brackish water. Three membrane trains (now about 1.7 MGD each) remove nearly all dissolved salts, and the leftover concentrate goes down a deep injection well.
• Hardness added back on purpose: RO water is so pure it can be aggressive to pipes, so the City blends 5 to 10 percent raw Floridan water into the RO water to restore some hardness before it joins the lime-softened water.
• Disinfection: chloramine (chlorine plus ammonia), which lasts longer in the pipes than free chlorine but is harder for ordinary carbon filters to remove.

In 2025 the plant averaged about 6 million gallons per day, with a peak day of 8.2 million gallons. The City plans seven more Floridan wells to keep shifting supply from the shallow aquifer to the deeper brackish one, which over time means more RO water in the blend. Because both plants soften, your water is not the very hard water some neighboring well areas deal with, but the City publishes no hardness figure and the blend can change. A tap test tells you whether a softener is worth it at your house.

Lake Worth Beach 2025 Water Quality Results and What They Mean

Every contaminant the City tested in 2025 met federal and state standards. These are the results that shape a home treatment plan:

• Chloramine: 3.74 ppm, with samples from 0.6 to 5.0 ppm. That average is close to the 4.0 ppm limit, and chloramine is what most people taste and smell. Catalytic carbon removes it. Standard carbon and pitcher filters remove it slowly and wear out fast.
• PFAS: the City's November 20, 2025 sampling found PFOS up to 27 parts per trillion, PFOA up to 11, PFHxS up to 14, PFBS 6.3, PFNA 2.2 and GenX (HFPO-DA) 0.83. Results ranged from not detected up to those highs, so levels vary between sampling points. In 2024 the EPA set limits of 4 ppt each for PFOS and PFOA and 10 ppt for PFHxS, based on running annual averages with compliance due later this decade. The City lists these as unregulated results in its 2025 report.
• Disinfection by-products: total trihalomethanes 11.9 ppb (range 9.5 to 13.8) and haloacetic acids 17.5 ppb (13.0 to 19.9), well under the 80 and 60 ppb limits.
• Sodium: 53 ppm, partly from the brackish Floridan source. Worth knowing if anyone in the house is on a low-sodium diet.
• Iron: 0.038 ppm leaving the plant, far below the 0.3 ppm level where staining starts. Rust or orange stains in a Lake Worth Beach home usually come from the home's own older plumbing, not from the City's water.
• Lead and copper: no sampled home exceeded the lead or copper action levels in 2025 (copper 90th percentile 0.48 ppm against a 1.3 ppm action level), and the City's service line inventory resulted in a "no lead" designation.
• Fluoride: 0.05 ppm, well below the 0.7 ppm level used for dental benefit.

Source protection is also in good shape: the Florida Department of Environmental Protection's 2025 assessment found 10 potential contamination sources near the City's wells, all rated low susceptibility.

PFAS in Lake Worth Beach Water: Home Options

PFAS is the result that stands out in the 2025 report. If you want to reduce PFOS and PFOA in the water your family drinks now rather than wait for utility-level changes, these are the realistic options:

1. Under-sink reverse osmosis at the kitchen tap. This is the option with the broadest PFAS reduction, including the shorter-chain compounds carbon handles poorly. It also cuts sodium. Choose a system certified to NSF/ANSI 58 and check its PFAS reduction claims. See our reverse osmosis page.
2. Whole-home carbon sized for chloramine. A large catalytic carbon tank removes chloramine taste and smell at every tap and reduces some PFAS, but it is not a substitute for RO at the drinking water tap. Media has to be replaced on schedule or it stops working.
3. Both, for most families. Whole-home carbon for showers, laundry and taste, plus RO for drinking and cooking, is the setup we install most often on City water.

We will not quote PFAS numbers for your house from the City's report alone. Levels varied between sampling points in 2025, so we test at your tap and recommend equipment based on what we measure. Book a free water test.

Older Lake Worth Beach Homes: What Happens After the Water Meter

The City has been replacing its own pipes. Its water supply plan cites $32 million in water system improvements between 2014 and 2020, including water main replacement, and more main replacement is on the 2026 capital list. The plumbing inside your home is your responsibility, and a lot of Lake Worth Beach houses were built long before modern PEX and copper.

• Galvanized steel supply lines corrode from the inside, shed rust and narrow over time, which shows up as orange staining and weak pressure. A sediment pre-filter catches loose rust, but replacing the pipe is the real fix, and we will tell you when repiping makes more sense than more filtration.
• Chloramine and rubber parts: chloramine is tougher on some rubber washers, flappers and older fixture seals than free chlorine. Whole-home carbon reduces it before it reaches them.
• Water heaters: even softened City water leaves some mineral in the tank. If your tap test shows enough hardness to scale the heater and fixtures, a right-sized water softener after the carbon makes sense. If it does not, we will say so.

Compact bungalows rarely have room for big equipment, so we use cabinet softeners, slim carbon tanks and outdoor pads with UV-protected covers. For homes on a private well in the service area, see our well water filtration page, because that water does not get any of the City's treatment.

Softener, Carbon or RO? A Lake Worth Beach Decision Guide

• Chloramine taste or smell: whole-home catalytic carbon. This is the most common complaint on City water.
• PFAS or sodium concerns: under-sink reverse osmosis at the kitchen sink.
• Spotting, scale on glass or a struggling water heater: a softener, but only after a tap test confirms the hardness. The City already softens and partly uses RO, so many homes need less than they assume.
• Rust stains and low pressure in an older home: a sediment pre-filter now, and an honest look at the home's galvanized pipe.
• Restaurants, laundromats and multifamily buildings on Lake Avenue and Dixie Highway: see commercial water treatment for carbon, softener and RO service programs.

Lake Worth Beach is a short drive from our West Palm Beach base, so scheduling is usually next day. Neighbors in West Palm Beach, Boynton Beach and Royal Palm Beach are on different utilities with different water, and each page explains the local report.