Cassville Tap Water Quality Report
Cassville's water has 1 contaminant above EPA MCLGs. Consider using a certified water filter for additional protection.
People Served
3,290
Health-based violations since 2020
0
CASSVILLE PWS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Dec 2020 · CASSVILLE PWS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Cassville Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Cassville's water has 1 contaminant above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
CASSVILLE PWS, Cassville's water system, serves 3,290 people. 1 other system is listed for Cassville. Each system's results are listed under its own name, never added to CASSVILLE PWS's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for CASSVILLE PWS is from Dec 2020.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Missouri
Cassville Water Service Areas
What these numbers actually mean for Cassville, MO
We read Cassville, MO’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 1 contaminant above EPA MCLGs and 8 contaminants with an EPA health goal detected in some samples (no level on file)
- 143 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Cassville's water
CASSVILLE PWS
PWSID MO5010144
Fluoride was detected in 44.4% of CASSVILLE PWS's samples (median below the detection limit).
SOUTHWEST RURAL WATER DISTRICT 1
PWSID MO5021116
SOUTHWEST RURAL WATER DISTRICT 1 reported no detectable fluoride.
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What Cassville's water readings can explain
Utility-reported data for Cassville includes iron, manganese and sulfate — the readings behind these common tap water questions. We publish a city-level hardness figure for Cassville, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Cassville? Public-water results do not apply to private wells. See Barry County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Cassville
Cassville's tap water measures 8.0 grains per gallon (137.0 mg/L) — hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 8.0 gpg water in Cassville — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For Missouri as a whole, read water softener cost in Missouri — priced against the plumber wage published for the state.
Frequently Asked Questions About Cassville Tap Water
Cassville's water has 1 contaminant above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach CASSVILLE PWS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact CASSVILLE PWS directly.
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