Seymour Water Hardness & Quality Report (2026)
Water Hardness
16.4 grains per gallon
Source
river
pH Level
8.5
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
420.1 mg/L
Est. Daily Cost
$0.75
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 Seymour, your appliances are currently losing 37% efficiency due to mineral buildup.
| Appliance | In Seymour | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3.2 yrs | 12 yrs | -73% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How Seymour compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Seymour, Indiana | 280 mg/L | 3.4 ppt | 🔴 Very Hard | river |
| Columbus, Indiana | 228 mg/L | 7.3 ppt | 🔴 Very Hard | river |
| North Madison, Indiana | 136 mg/L | 3.9 ppt | 🟠 Hard | river |
| Franklin, Indiana | 198 mg/L | 6.2 ppt | 🔴 Very Hard | river |
| Shelbyville, Indiana | 124.5 mg/L | 3.5 ppt | 🟠 Hard | river |
National Benchmark
How Seymour compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Seymour | 280 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Seymour's Water Unique?
Local geology and source profile
Seymour, Indiana, in Jackson County — the Jackson County seat in south-central Indiana on the East Fork White River, a manufacturing and transportation city known as the Crossroads of America (US 50/US 31 and I-65), hometown of rock musician John Mellencamp — receives its municipal water from the Seymour Water Utility, which draws from the East Fork White River or the Muscatatuck River in south-central Indiana's White River watershed.
The very hard 280 mg/L hardness and high TDS of 420.1 mg/L reflect the East Fork White River watershed's Indiana Till Plain geology. The East Fork White River drains south-central Indiana — terrain underlain by the Silurian Niagara Dolomite and Devonian New Albany Shale (calcareous) with an extensive veneer of Pleistocene Illinoian and Kansan-age calcareous glacial till that blankets the entire Indiana Interior Lowlands. The tributary Muscatatuck River drains the Mitchell Plain karst (Mississippian Salem and St. Louis Limestone) of south-central Indiana — one of Indiana's classic karst terrains — adding significant carbonate hardness to the East Fork system.
At 280 mg/L, Seymour's water is very hard — scale builds rapidly in appliances and plumbing. A water softener is strongly recommended. Dishes spot heavily, soap scum forms readily, and bathroom fixtures stain quickly without treatment. The PFAS level of 3.4 ppt warrants a certified drinking water filter — the Naval Support Activity Crane (Martin County, Indiana — one of the largest US Navy ammunition depots, a documented AFFF source in the White River watershed) and the Jackson County industrial corridor contribute to Seymour's PFAS readings.
Geology & Source: Seymour in Jackson County draws from the Seymour Water Utility on the East Fork White River or Muscatatuck River — the East Fork White River drains the Indiana Till Plain (Pleistocene calcareous glacial till over Silurian and Devonian dolomite and limestone) — Indiana calcareous glacial till and Silurian dolomite drainage produces very hard water at 280 mg/L with high TDS 420 mg/L in this Jackson County Indiana city.