Is De Soto, KS tap water safe?
The short answer
1 of the 3 utilities serving De Soto has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Kansas’s records: City of Desoto.
City of Desoto, which serves the most people here, has 1 result above EPA’s health benchmark. The worst: Lithium at 16.3 ppb, above EPA’s health benchmark. A health benchmark is a level EPA screens with, not a legal limit.
The water from City of Desoto is moderately hard, typically 110 mg/L (6.4 grains per gallon). How Kansas’s water compares.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in De Soto’s ZIP codes, from EPA’s estimates.
- Open report
City of Desoto
Kansas · serves 4,645 people · about 2,400 in De Soto
1 result above EPA’s health benchmark. The worst: Lithium at 16.3 ppb, above EPA’s health benchmark. Hardness: moderately hard, typically 110 mg/L (6.4 grains per gallon).
3 health-based violations since 2016
- Open report
Johnson Co RWD 7
Kansas · serves 6,457 people · about 330 in De Soto
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 41.1 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Water District 1 of Johnson Co
Kansas · serves 490,000 people · about 170 in De Soto
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 50.9 ppb, above EPA’s health benchmark. Hardness: hard, typically 140 mg/L (8.2 grains per gallon).
No health-based violations since 2016
Water testing near De Soto
The 3 labs Kansas certifies closest to De Soto, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Johnson County Water Quality Laboratory
Olathe, KS · about 7 miles
Certified for bacteria, nitrate, lead and copper
Olathe Environmental Laboratory
Olathe, KS · about 7 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
Eurofins Kansas City
Lenexa, KS · about 12 miles
Certified for bacteria
ZIP codes in De Soto
Which ZIP codes are in De Soto: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Kansas Department of Health and Environment, drinking water labs, as listed in TNI LAMS; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near De Soto
Other towns in Johnson County with a page of their own.
What to do next
- Read City of Desoto’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water