Carnoustie Water Hardness & Quality Report (2026)
Water Hardness
~0–99 mg/L
Softestimated · not lab-verified
Source
reservoir
pH Level
7.1
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
41.7 mg/L
Est. Daily Cost
£0.11
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 Carnoustie, your appliances are currently losing 7% efficiency due to mineral buildup.
| Appliance | In Carnoustie | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.9 yrs | 8.5 yrs | -7% |
| Washing Machine | 11.2 yrs | 12 yrs | -7% |
| Water Heater | 14 yrs | 15 yrs | -7% |
Regional Water Comparison
How Carnoustie compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Carnoustie, Scotland | ≈ 0–99 mg/L | 3.5° | 🟢 Soft | reservoir |
| Arbroath, Scotland | ≈ 0–100 mg/L | 0.8° | 🟢 Soft | reservoir |
| Saint Andrews, Scotland | ≈ 0–100 mg/L | 5.9° | 🟢 Soft | reservoir |
| Forfar, Scotland | ≈ 0–100 mg/L | 6° | 🟢 Soft | reservoir |
| Dundee, Scotland | ≈ 0–100 mg/L | 1.8° | 🟢 Soft | reservoir |
National Benchmark
How Carnoustie compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Carnoustie | ≈ 0–99 mg/L | 🟢 None |
| United Kingdom National Avg | 177 mg/L | 🟡 Moderate |
| Skipton Top Rated | 7.1 mg/L | 🟢 None |
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What Makes Carnoustie's Water Unique?
Local geology and source profile
Unfortunately, specific details about the drinking water utility, sources, and treatment plants serving Carnoustie were not readily available. The information retrieved focused more on bathing water quality and sewer infrastructure rather than the potable water supply. Scottish Water is mentioned in relation to sewer maintenance near the famous Carnoustie Golf Links, but the precise reservoirs, rivers, or aquifers that supply the town's drinking water remain unidentified. The search results did touch upon the bathing water catchment area, describing it as a coastal zone with low hills and plains, but this doesn't directly inform us about the inland sources for tap water.
The geology influencing Carnoustie's water is also unclear from the available data. Typically, water in the Angus Glens region, where Lintrathen Reservoir is located, is known to be soft. This softness often stems from the prevalence of ancient metamorphic rocks like granite and schist, which tend to dissolve fewer minerals into the water compared to harder, more calcareous geological formations. The lack of specific geological data for the potable water supply means we can't definitively link rock types to the water's chemical composition.
Because the water hardness for Carnoustie's supply is unknown, it's difficult to predict its exact impact on household appliances and plumbing. Generally, soft water, like that commonly found in the Angus region, is less likely to cause significant scale buildup in kettles, boilers, and pipes. This can lead to longer appliance lifespans and potentially better-tasting water. If you notice any scale issues, testing your local supply is the best first step. For residents concerned about potential pollution risks, the SEPA website offers reporting details.
Geology & Source: Scottish Highlands metamorphic rocks; granite and schist produce soft water
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