Is Plainville, KS tap water safe?
The short answer
2 of the 2 utilities serving Plainville have 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 Plainville and Rooks Co RWD 3.
City of Plainville, which serves the most people here, has 1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 96.5 ppb, above the legal limit.
The water from City of Plainville is very hard, typically 535 mg/L (31.3 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 Plainville’s ZIP codes, from EPA’s estimates.
- Open report
City of Plainville
Kansas · serves 1,762 people · under 100 in Plainville
1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 96.5 ppb, above the legal limit. Hardness: very hard, typically 535 mg/L (31.3 grains per gallon).
11 health-based violations since 2016
- Open report
Rooks Co RWD 3
Kansas · serves 380 people · under 100 in Plainville
1 result above the legal limit and 3 results above the health goal. The worst: Nitrate at 16 ppm, above the legal limit. Hardness: very hard, typically 380 mg/L (22.2 grains per gallon).
14 health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of Plainville’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Arsenic, Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Arsenic, Lead
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), Arsenic, Lead
Water testing near Plainville
No lab Kansas certifies is within 75 miles of Plainville on the state’s list. Some take samples by mail; the state’s page lists them all.
All 47 certified labs for KansasZIP codes in Plainville
Which ZIP codes are in Plainville: 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.
Near Plainville
Towns nearby with a page of their own.
What to do next
- Read City of Plainville’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water