Kennett Water Hardness & Quality Report (2026)
Water Hardness
16.1 grains per gallon
Source
river
pH Level
8.5
neutral = 7.0
Lead
0.008 mg/L
✓ Below action level
TDS
719.5 mg/L
Est. Daily Cost
$0.73
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Kennett, your appliances are currently losing 37% efficiency due to mineral buildup.
| Appliance | In Kennett | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3.4 yrs | 12 yrs | -72% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How Kennett compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Kennett, Missouri | 275 mg/L | 8.2 ppt | 🔴 Very Hard | river |
| Blytheville, Arkansas | 74.5 mg/L | 3 ppt | 🟡 Moderately Hard | river |
| Paragould, Arkansas | 53.5 mg/L | 2.6 ppt | 🟢 Soft | river |
| Poplar Bluff, Missouri | 102.5 mg/L | 3.7 ppt | 🟡 Moderately Hard | river |
| Dyersburg, Tennessee | 182 mg/L | 6.2 ppt | 🔴 Very Hard | reservoir |
National Benchmark
How Kennett compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Kennett | 275 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Kennett's Water Unique?
Local geology and source profile
Kennett, Missouri, in Dunklin County — the Dunklin County seat adjacent to Caruthersville and Hayti in the southeast Missouri Bootheel — receives its water from the City of Kennett Water Department, drawing from the St. Francis River watershed and alluvial wells through the southeast Missouri distribution.
The very hard 275 mg/L hardness and high TDS of 719.5 mg/L reflect the Dunklin County supply's very hard Bootheel character — the Cretaceous McNairy Formation and Quaternary Mississippi Embayment alluvium concentrate calcareous mineral content from the ancient sea bed in the southeast Missouri Bootheel Lowlands (compare Caruthersville MO: 271/707 in Pemiscot County comparable; Hayti MO: 279/731 in Pemiscot County comparable; Kennett consistent very hard from the same Dunklin County St. Francis River Cretaceous supply). The Bootheel supply — Cretaceous McNairy Formation (slightly calcareous — primary hardness contributor), Quaternary Mississippi Embayment alluvium (calcareous — secondary contributor), and Holocene St. Francis River alluvium (calcareous — TDS contributor).
At 275 mg/L with TDS 720, Kennett's water is very hard — a water softener is strongly recommended to protect plumbing and appliances. The PFAS level of 8.2 ppt warrants a certified drinking water filter. Review the City of Kennett's annual water quality report.
Geology & Source: Kennett in Dunklin County draws from the Kennett Water on the St. Francis River watershed (Dunklin County, southeast Missouri) — the southeast Missouri Lowboots draws from Cretaceous McNairy Formation (slightly calcareous) and Quaternary Mississippi Embayment alluvium (calcareous) — Missouri Dunklin County St. Francis River Cretaceous supply produces very hard water at 275 mg/L with TDS 719.5 mg/L.