Dunedin Water Hardness & Quality Report (2026)
Water Hardness
4.6 grains per gallon
Source
groundwater
pH Level
7.4
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
178.4 mg/L
Est. Daily Cost
$0.21
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 Dunedin, your appliances are currently losing 11% efficiency due to mineral buildup.
| Appliance | In Dunedin | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7 yrs | 8.5 yrs | -18% |
| Washing Machine | 10.7 yrs | 12 yrs | -11% |
| Water Heater | 12.4 yrs | 15 yrs | -17% |
Regional Water Comparison
How Dunedin compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Dunedin, Florida | 79.5 mg/L | 5.1 ppt | 🟡 Moderately Hard | groundwater |
| Palm Harbor, Florida | 168.5 mg/L | 7.9 ppt | 🟠 Hard | groundwater |
| Clearwater, Florida | 93 mg/L | 5.5 ppt | 🟡 Moderately Hard | groundwater |
| Safety Harbor, Florida | 236 mg/L | 10 ppt | 🔴 Very Hard | groundwater |
| Oldsmar, Florida | 107 mg/L | 5.9 ppt | 🟡 Moderately Hard | groundwater |
National Benchmark
How Dunedin compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Dunedin | 79.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Dunedin's Water Unique?
Local geology and source profile
Dunedin, Florida, in Pinellas County — a major north Pinellas County Gulf Coast community (Dunedin is one of the most charming and walkable small cities on Florida's Gulf Coast — a community known for its Scottish heritage, the Caledonian Games, and charming downtown on St. Joseph Sound), home of the Toronto Blue Jays spring training facility (TD Ballpark — the Blue Jays have maintained Dunedin as their spring training home since 1977, one of the longest continuous spring training relationships in Major League Baseball), a diverse Pinellas County community popular with retirees, artists, and young professionals, and adjacent to the Dunedin Causeway and Honeymoon Island State Park — draws its municipal water supply via the City of Dunedin Water Division (connected to Pinellas County Utilities and the Peace River regional supply). Water hardness in Dunedin measures 79.5 mg/L — classified as moderately soft.
Dunedin's moderate softness — exceptionally soft for a Florida Gulf Coast community — reflects Pinellas County's effective regional lime softening program. The Floridan Aquifer and Peace River Regional Supply (raw hardness 200–350 mg/L from the highly calcareous Eocene carbonate) are treated by Pinellas County Utilities and the Peace River Manasota Authority with effective lime softening, producing the excellent 79.5 mg/L delivered to Dunedin.
With hardness at 79.5 mg/L, Dunedin residents enjoy moderately soft water. City of Dunedin Water Division consistently delivers water meeting all Florida DEP and EPA Safe Drinking Water Act requirements.
Geology & Source: Groundwater from the Floridan Aquifer System (Upper Floridan) and Pinellas County Utilities (Peace River Manasota Regional Water Supply Authority) via the City of Dunedin Water Division — the Pinellas County north Florida Gulf coast (Eocene Avon Park Formation — the calcareous Pinellas County Floridan Aquifer; effective Pinellas County regional lime softening); moderately soft supply at 79.5 mg/L — reflecting effective lime softening of the Floridan Aquifer.