Hard water in Paola, KS

Tap water hardness
133mg/L
7.8gpg
Hard

Reported by Miami CO RWD 2 · March 2024

KS typical
138 mg/L
EPA health violations since 2016
2
Softener for 3 people
24k grain
Data
Utility report

Tap water in Paola has about 133 mg/L of hardness, which is 7.8 grains per gallon. On the USGS scale that counts as hard. The number comes from Miami CO RWD 2, dated March 2024.

Paola on the hardness scale, with nearby cities
060120180240300360+KS typical 138Louisburg: 133 mg/LLouisburg 133Spring Hill: 135 mg/LSpring Hill 135Gardner: 135 mg/LGardner 135Overland Park: 135 mg/LOverland Park 135De Soto: 135 mg/LDe Soto 135Leawood: 135 mg/LLeawood 135Lenexa: 135 mg/LLenexa 135Shawnee: 135 mg/LShawnee 135Olathe: 140 mg/LOlathe 140Ottawa: 144 mg/LOttawa 144Paola 133mg/L as calcium carbonate060120180240300360+KS 138Louisburg: 133 mg/LLouisburg 133Spring Hill: 135 mg/LSpring Hill 135Gardner: 135 mg/LGardner 135Overland Park: 135 mg/LOverland P. 135Olathe: 140 mg/LOlathe 140Ottawa: 144 mg/LOttawa 144133 mg/Lmg/L as calcium carbonate
Soft 0–60 mg/LModerately hard 61–120 mg/LHard 121–180 mg/LVery hard 181+ mg/L

At 133 mg/L, Paola is close to the typical Kansas figure of 138 mg/L. None of the 10 nearest cities we track has softer water. The range nearby runs from 133 mg/L in Louisburg to 144 in Ottawa.

What 133 mg/L means at home

Expect white crust on faucets and showerheads, plus spots on dishes that come out of the dishwasher.

Kettles collect scale quickly. Water heaters build up sediment at the bottom of the tank, which makes them work harder over time.

Soap and detergent need a little more to lather, and soap scum shows up in the tub.

Hardness is not a health problem, and EPA sets no limit for it. It is a matter of scale and soap.

What to do about it

At 133 mg/L most of the trouble is scale, and only a few things deal with it.

Ion-exchange water softener

The standard whole-house fix. It swaps calcium and magnesium for sodium or potassium and needs salt plus a drain. Size it with the calculator below.

Salt-free conditioner

No salt and no drain line. It changes how minerals form scale instead of removing them, so water still tests hard.

Reverse osmosis or carbon filter

Under-sink reverse osmosis removes minerals from drinking water only. Plain carbon filters improve taste but do not soften.

Softener size for Paola

3 people × 75 gallons a day × 7.8 gpg = 1,750 grains a day. A 24,000-grain unit regenerates about every 13 days.

Size it for your household

EPA record for Paola's water system

Miami CO RWD 2 · PWSID KS2012101

2 health-based violations since 2016

Serves about 10,311 people from surface water.

Health-based
2
Monitoring or reporting
9
Open now
0
20162017201820192020202120222023202420252026Surface Water Treatment RuleColiform bacteria'16'18'20'22'24'26Surface Water Treatment RuleColiform bacteria
Each dot is one health-based violation, placed at the start of its compliance period.
Contaminant or ruleViolationsPeriodStatus
Surface Water Treatment Rulefiltration and disinfection12021Resolved
Coliform bacteriabacteria12016Resolved

Health-based means a contaminant above its legal limit or a missed treatment step. Monitoring and reporting violations are late or missing tests and notices. Source: EPA ECHO, 2026Q3 export, violations with periods starting 2016 or later. Full EPA record.

Questions

Is Paola water hard?

Yes. It measures about 133 mg/L (7.8 grains per gallon), which the USGS classes as hard.

What is the water hardness in Paola in grains per gallon?

About 7.8 gpg. One grain per gallon equals 17.1 mg/L, so 133 mg/L divided by 17.1 gives 7.8.

What size water softener do I need in Paola?

For 3 people using 75 gallons each per day, 7.8 gpg works out to about 1,750 grains a day. A 24,000-grain softener covers that with a regeneration about every 13 days.

Has the Paola water system had EPA violations?

EPA records show 2 health-based violations for Miami CO RWD 2 since 2016, involving Surface Water Treatment Rule, Coliform bacteria. There were also 9 monitoring or reporting violations, which are about late or missing tests and notices.

Nearby cities

All 48 cities in Kansas

Hardness data: TapWaterData US Water Hardness (utility report, March 19, 2024), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.