Frinton-on-Sea Water Hardness & Quality Report (2026)
Water Hardness
~200–300 mg/L
Hardestimated · not lab-verified
Source
mixed
pH Level
8.4
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
505.2 mg/L
Est. Daily Cost
£0.57
energy & soap waste
Source: DWI Data Portal · Updated 2026
0–99
mg/L
Soft
100–149
mg/L
Slightly Hard
150–199
mg/L
Moderately Hard
200–300
mg/L
Hard
300+
mg/L
Very Hard
Appliance Damage Report
In Frinton-on-Sea, your appliances are currently losing 33% efficiency due to mineral buildup.
| Appliance | In Frinton-on-Sea | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.7 yrs | 8.5 yrs | -33% |
| Washing Machine | 8 yrs | 12 yrs | -33% |
| Water Heater | 10 yrs | 15 yrs | -33% |
Regional Water Comparison
How Frinton-on-Sea compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Frinton-on-Sea, East of England | ≈ 200–300 mg/L | 17.5° | 🟠 Hard | mixed |
| Walton-on-the-Naze, East of England | ≈ 200–300 mg/L | 18.6° | 🟠 Hard | mixed |
| Clacton-on-Sea, East of England | ≈ 300+ mg/L | 19.1° | 🔴 Very Hard | mixed |
| Harwich, East of England | ≈ 300+ mg/L | 17.1° | 🔴 Very Hard | mixed |
| Felixstowe, East of England | ≈ 300+ mg/L | 15.6° | 🔴 Very Hard | mixed |
National Benchmark
How Frinton-on-Sea compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Frinton-on-Sea | ≈ 200–300 mg/L | 🟠 High |
| United Kingdom National Avg | 177 mg/L | 🟡 Moderate |
| Skipton Top Rated | 7.1 mg/L | 🟢 None |
Bring Skipton-quality water to your Frinton-on-Sea home
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What Makes Frinton-on-Sea's Water Unique?
Local geology and source profile
Residents of Frinton-on-Sea receive their water from Essex & Suffolk Water. The supply originates from the confined Essex Chalk aquifer, accessed through deep boreholes located on the Tendring Peninsula. This raw water is then transported to the Alton Water Treatment Works for processing before distribution to homes and businesses. The utility's operations are crucial for ensuring a consistent and safe water supply to the community it serves.
The water's journey begins deep underground within the Essex Chalk aquifer, a significant geological formation underlying the region. This chalk bedrock, formed millions of years ago, is rich in minerals. As water percolates through these ancient rock layers, it dissolves these minerals, primarily calcium and magnesium, leading to the exceptionally high hardness levels characteristic of the supply. The confined nature of the aquifer also plays a role in maintaining water quality.
With water hardness registering at a very high 23.7° Clark, homeowners might notice the effects on their appliances and plumbing. Scale buildup can be a significant issue in kettles, coffee makers, and especially water heaters, potentially shortening their lifespan. You may also find that soap and detergents don't lather as easily, requiring more product for cleaning. Installing a water softener is often recommended to combat these effects and protect your home's fixtures from damaging mineral deposits.
Geology & Source: Essex Chalk aquifer; chalk bedrock produces extremely hard water
Other East of England Water Reports
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