What the words on your water report mean, what each piece of equipment actually does for you, and what handling it protects you from. No scare tactics needed; the public data is concerning enough on its own. Questions? Call (815) 246-2868.
Lead usually isn't coming from the water plant, it dissolves into the water from old service lines and pre-1986 solder in the home's own plumbing. EPA's position is that there's no known safe level: in kids it's linked to developmental and learning harm, and in adults to higher blood pressure and kidney effects. The fix is treating at the tap you drink from, reverse osmosis is certified for it.
What avoiding it means: Developmental and learning harm in children; higher blood pressure and kidney strain in adults.
What treats it: Under-sink RO (best), whole-home RO.
Arsenic occurs naturally in the rock our aquifers sit in. The federal limit is 10 parts per billion, and long-term exposure above that is linked to skin, bladder, and lung cancers. It has no taste or smell, the only way you'd ever know is the report. RO and bone char media reduce it.
What avoiding it means: Long-term exposure is linked to skin, bladder, and lung cancers.
What treats it: RO (POU or whole-home), fluoride/bone char stage assists.
DBPs, disinfection byproducts, mostly trihalomethanes or THMs, form when the chlorine the city uses to disinfect reacts with natural organic matter in the source water. The disinfection itself is necessary; the byproducts are the problem, long-term elevated exposure is associated with increased bladder cancer risk in the research EPA cites, which is why they're federally capped at 80 parts per billion. Catalytic carbon strips them out at your house.
What avoiding it means: Long-term elevated exposure is associated with increased bladder cancer risk.
What treats it: Catalytic carbon system.
Radium is a naturally radioactive metal that leaches into deep wells from the bedrock, common in northern Illinois aquifers. Long-term exposure raises bone cancer risk, which is why it's federally limited to 5 picocuries per liter. Here's the good news: an ion-exchange water softener is an EPA-recognized treatment for it, the same equipment that fixes your hard water.
What avoiding it means: Long-term exposure raises bone cancer risk.
What treats it: Water softener (ion exchange), RO.
Nitrates come from fertilizer and runoff getting into groundwater, a real thing in farm country wells. The hard limit is 10 parts per million because above that it's dangerous for infants, it interferes with oxygen in their blood. RO removes it; boiling actually makes it worse.
What avoiding it means: Dangerous to infants; interferes with oxygen in their blood.
What treats it: RO (POU or whole-home).
PFAS are the so-called forever chemicals, man-made compounds from firefighting foam, non-stick coatings, and industrial use that don't break down in the environment or in your body. The research EPA cites links long-term exposure to immune effects, cholesterol changes, and some cancers, and federal limits for them only arrived in 2024. Reverse osmosis is one of the few certified ways to remove them at home.
What avoiding it means: Immune effects, cholesterol changes, and some cancers in the research EPA cites.
What treats it: RO (POU or whole-home); carbon assists.
Chromium-6 is the industrial metal made famous by the Erin Brockovich case. It occurs naturally and from industrial pollution, and long-term elevated exposure is linked to cancer risk. There's still no dedicated federal limit for the -6 form, only for total chromium, which is why independent guidelines flag it. RO removes it.
What avoiding it means: Cancer risk at long-term elevated exposure.
What treats it: RO (POU or whole-home).
Copper above the action level usually comes from corrosive water eating the home's own copper pipes. Short term it can cause stomach upset; long-term high levels can stress the liver and kidneys. Treating the water's corrosivity and using RO at the drinking tap covers it.
What avoiding it means: Stomach upset short-term; liver and kidney stress at sustained high levels.
What treats it: RO at the tap; whole-home treatment reduces corrosivity.
That pool smell is the disinfectant residual, necessary in the pipes, unnecessary in your glass. Carbon removes it completely, which is most of why filtered water tastes better.
What avoiding it means: Dry skin and hair, bad taste; the real issue is the byproducts it forms.
What treats it: Catalytic carbon.
Hardness is calcium and magnesium, not a health problem, but it scales up your water heater, shortens appliance life, spots your dishes, and dries out skin. Sauk Valley water runs very hard, often 20+ grains. A softener fixes it completely.
What avoiding it means: Not a health risk; a money risk. Scale-killed appliances and early water heater death.
What treats it: Water softener.
Orange-brown staining is dissolved iron; rotten-egg smell is hydrogen sulfide gas. Neither is a major health issue at typical levels, but they wreck fixtures, laundry, and your patience. Air-injection filtration fixes both without chemicals.
What avoiding it means: Not a health risk at these levels; permanently stained fixtures and laundry.
What treats it: Air-injection iron & sulfur filter.
Private wells aren't chlorinated, so if bacteria get in, from surface water, a cracked casing, heavy rain, nothing kills them before your tap. That's why UV is standard practice on wells: it's a continuous, chemical-free kill step.
What avoiding it means: The classic waterborne stomach illnesses; wells are unprotected without treatment.
What treats it: UV sterilization.
Chlorate is a breakdown product of the chlorine-based disinfectants the utility stores and uses. It's monitored rather than formally capped, and the research concern is thyroid effects at sustained high levels. Carbon and RO both reduce it.
What avoiding it means: Thyroid effects at sustained high levels.
What treats it: Carbon + RO.
That's an industrial solvent, the kind of compound that gets into groundwater from degreasers and dry-cleaning chemicals. Depending on the compound, long-term exposure concerns include liver, kidney, and cancer risk. Carbon filtration is the certified treatment, and RO backs it up.
What avoiding it means: Liver, kidney, and cancer risk depending on the compound.
What treats it: Catalytic carbon; RO.
Added to most city water on purpose, at about 0.7 parts per million, for cavity prevention. The established risk of getting too much is dental fluorosis, white spotting on children's teeth. The active scientific question: a 2024 federal review found that fluoride above 1.5 milligrams per liter, about twice the U.S. level, is consistently associated with lower IQ in children, mostly from studies overseas where natural levels run high. At the U.S. level the science is unsettled and under EPA re-review; dental associations point to newer studies showing no effect at recommended levels.
The honest dose problem: fluoride is in water, toothpaste, some foods, and drinks made with fluoridated water. You can control the toothpaste; you cannot meter what your family drinks. Removing it from the water is the one lever a household actually has, and then the toothpaste delivers the dental benefit at a dose you choose.
What removes it: reverse osmosis, or a dedicated bone char stage. We'll build it either way; it's your call, not a scare story.
Swaps the hardness minerals out of every gallon entering the house, and reduces radium by the same ion-exchange process.
What it gives you: Spot-free glass, soft skin, laundry that feels new, a water heater that lives its full life, and the radium line on your town's report handled.
A self-cleaning bed of activated carbon that strips chlorine, chloramines, and disinfection byproducts at the wall.
What it gives you: Water and coffee that taste right, showers that don't smell like a pool, and the DBP line on the report gone.
Forces water through a membrane so fine dissolved metals and chemicals can't follow. The certified standard for serious contaminants.
What it gives you: Lead, arsenic, nitrates, and PFAS out of every glass your family drinks.
The same purification at every tap, with sealed storage and continuous UV recirculation.
What it gives you: Drinking-water quality from every faucet and shower in the house.
An ultraviolet chamber that destroys bacteria, viruses, and parasites 24/7, no chemicals.
What it gives you: Boil orders, line breaks, and well contamination stop being your problem.
Oxidizes dissolved iron and sulfur gas into particles and filters them out.
What it gives you: No more orange stains, no more rotten-egg smell, permanently.
Watches flow around the clock and shuts the water off automatically on a burst or leak.
What it gives you: the average water damage claim runs around $14,000; a finished basement or an upstairs supply line failure runs into the tens of thousands plus mold and the irreplaceables. Leak Guard shuts the water off in seconds, automatically, whether you're asleep or in Florida. Some insurers discount for it.
Handmade copper chambers with glass spheres, our maker's mark on premium builds. The certified stages do the treatment; this is craftsmanship.
What it gives you: You know it's a Liberty build the moment you see it.
The legal limit is what a utility must stay under by federal law; many limits haven't been tightened in decades. A health guideline is where independent researchers put the line for long-term safety. Water can pass one and fail the other. Every town page on this site shows both.
Formed when the chlorine that disinfects city water reacts with natural organic matter. The disinfection is necessary; the byproducts are the trade-off, and they're in every town report we analyzed.
The measure of water hardness. 7 is considered hard. Sauk Valley water commonly runs over 20.
Everything dissolved in your water, measured in parts per million. It's the number we test before and after installation, in front of you.
How fine a filter is. A 5-micron filter catches particles about one-fifteenth the width of a hair.
Independent testing standards for water equipment: 44 for softeners, 42/53 for carbon, 58 for reverse osmosis, 55 for UV. If a claim matters, there should be a standard behind it.
The annual water quality report your utility must publish. It's where much of this site's data ultimately comes from.
Point-of-use treats one tap, like an under-sink drinking system. Whole-home treats every drop entering the house. Different jobs, different costs; most builds mix both.
Reverse osmosis removes almost everything dissolved in water, including calcium and magnesium, the good minerals. Remineralization is the stage that puts them back: water passes over calcite and aragonite media, picks the minerals back up, and lands at a spring-water pH of 7.0 to 8.5. Built into our full system; optional on drinking-tap RO. Purified does not have to mean stripped.
Water that sits still grows things: biofilm on tank walls, bacteria in dead legs of plumbing. It's why stored water goes stale and why some whole-home systems create the very problem they solve. Our answer is engineering, not chemicals: the storage tank on our full system recirculates through UV sterilization 24 hours a day. The water is always moving and always freshly treated, so stagnation never starts.
When a water main breaks or pressure drops, bacteria can enter the pipes, and the utility issues a boil order. Here's the uncomfortable part: the notice always comes after the risk started. Most people find out after they've showered, brushed teeth, made coffee and ice. It happens in our towns, including Fulton recently, and it happens somewhere in Illinois nearly every week. On a private well there is no notice at all; nobody is watching but you.
Why it matters here: a UV stage runs the kill step 24/7, before any notice is posted. Boil orders become something you read about, not something you scramble over.
Cornfields and golf courses are heavy users of fertilizer and pesticides, and both wash into the groundwater private wells draw from. Wells near farmland consistently test higher for nitrates, which are dangerous to infants, and for herbicides like atrazine, which is under long-running scrutiny as an endocrine disruptor. Long-term agricultural chemical exposure keeps showing up in research on neurological disease. We won't overstate what science hasn't settled, but "the well tastes fine" tells you nothing about any of this: these contaminants have no taste.
The answer: test the well annually, carbon for the chemistry, reverse osmosis at the drinking tap, UV for the biology.
An exhausted filter stops catching contaminants and can start releasing what it caught, while growing bacteria in the cartridge. A UV lamp past its rated life looks identical to a working one and kills nothing. An empty brine tank means the softening, and the radium reduction, quietly stopped weeks ago. An unmaintained system isn't neutral; it can be worse than no system, because you stopped worrying.
Our answer: the first year of care is included with every install, and our care plans handle everything after: salt, cartridges, lamps, and a six-month audit with the meter on the counter. We do our part so you never think about it.
The lore is old and genuinely lovely: mountain streams spiral, springs tumble over stone, and a century of romantics, from Alpine foresters to modern researchers exploring a hypothesized ordered phase of water called H3O2, have wondered whether water that moves the way nature moves it is somehow different. Our straight answer: mainstream science has not validated health claims for structured water, and we will never sell you one. But we build for the lore anyway. Our signature copper vortex stage spirals every premium build's water the way a spring does, around the clock. If the romantics are ever proven right, every Liberty build already had it. If they never are, it cost you nothing and you own the most beautiful plumbing in the county. The certified stages do the treating; the copper is the signature.
The report is free, the call is 15 minutes, and nobody ever comes to your house to sell you. One licensed crew, a limited number of installs each month.