What's in Madisonville on the Lake water

Madisonville, St. Tammany Parish · PWS ID LA1103176

The short answer

Madisonville on the Lake water is soft, about 0.4 grains, chlorine-disinfected groundwater. The fix for this system: a whole-home carbon filter, a pH neutralizer, iron and manganese filtration, plus optional reverse osmosis at the kitchen sink.

Madisonville on the Lake water carries chlorine at 0.7 parts per million, and it tests soft at 7.6 milligrams per liter, about 0.4 grains. The published report also shows iron and manganese above the aesthetic limit, plus a pH of 5.95, on the acidic side.

Beneath the surface

Your water reportMadisonville on the Lake

Madisonville on the Lake · PWS ID LA1103176 · 2025 water quality report

chlorine, 0.7 ppm · The chlorine taste and smellCarbon takes it out

iron and manganese above the aesthetic limit · Orange or dark stainingIron and manganese filtration is built for exactly this

acidic water, pH 5.95 · Blue-green stains around copper drainsA neutralizer brings it to balance

That chemical taste in your coffee and ice is chlorine, the disinfectant this system uses. The staining in tubs and laundry comes from the iron and manganese in the report, and filtration built for it takes it out.

What we'd install

Based on the report, whole-home carbon for the chlorine at every tap. A pH neutralizer goes in ahead of it to bring the water back to balance. Iron and manganese filtration handles the staining before it reaches your fixtures. Reverse osmosis at the kitchen sink is optional, for drinking water and coffee. The quote lists it as its own line so you can take it or leave it.

**Whole-home carbon filter**Cleans every tap in the house

**Reverse osmosis**Drinking water at the kitchen sink

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What this does for your home

Easier on the rubber seals, gaskets, and hoses inside your appliances
No chlorine taste or smell in your coffee, tea, and ice
No more orange and dark staining in tubs and laundry
Balanced water that stops eating at your copper plumbing
Bottled-quality drinking water on tap for pennies a gallon

Cutaway of a water heater with sediment settled at the bottom

Easier on the parts that wear out

Sediment settles in your water heater and lowers its efficiency, and chlorine and chloramine embrittle the rubber seals, gaskets, and hoses inside your appliances over time. Filtering the whole house is gentler on all of it.

U.S. Dept. of Energy Energy Saver; ASTM D6284.

Source: Madisonville on the Lake annual water quality report.PWS ID LA1103176, verifiable in the EPA Safe Drinking Water database →Figures are as published by the system; see the original report for sampling methods and ranges.Get my written plan and price →

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What this means at your house

Your water arrives with chlorine in it, at 0.7 parts per million. That is the disinfectant Madisonville on the Lake uses, and it is the taste people notice in coffee, in ice, and in the first glass of the day. Carbon takes it out at every tap in the house.

This is soft water. Hardness tests at 7.6 milligrams per liter, about 0.4 grains, and for a family using around 300 gallons a day that puts roughly 7 pounds of dissolved rock through the house in a year. Genuinely hard water runs well past a hundred pounds a year, and that difference is why a softener is not in the package for this neighborhood.

The water here is groundwater, pumped from Madisonville on the Lake Well 1. The report also shows iron and manganese above the aesthetic limit. That is what causes the staining that shows up in tubs, sinks, and laundry over time, and iron and manganese filtration is built for exactly that. The pH here runs acidic, at 5.95. Acidic water works on copper plumbing, which is where blue-green stains around drains come from. A neutralizer brings the pH back to balance ahead of everything else.

How the report becomes the recommendation

Each finding decides a piece of the package, including the pieces we leave out.

The report shows	At your house	The answer	Why that one
Chlorine at 0.7 ppm	The taste and smell in coffee, ice, and the first glass of the day	Whole-home carbon	Chlorine sticks to carbon on contact, and a full-size tank gives the water that contact time.
Hardness at 0.4 grains, soft	No scale problem to fix	No softener	The resin would have nothing to grab, so it stays out of the quote.
pH of 5.95, acidic	Blue-green stains around copper drains	pH neutralizer	Bringing the pH back to neutral stops the water from working on your copper.
Iron and manganese above the aesthetic limit	Orange or dark staining in tubs, sinks, and laundry	Iron and manganese filtration	It is built for exactly this kind of staining.

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Tell us your address and we will pull the report for the water system that serves it. You get our recommendation and the price in writing before any work starts, and a licensed plumber handles the install.

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