Peterhead Water Hardness & Quality Report (2026)
Water Hardness
~0–99 mg/L
Softestimated · not lab-verified
Source
reservoir
pH Level
7
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
11.6 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 Peterhead, your appliances are currently losing 7% efficiency due to mineral buildup.
| Appliance | In Peterhead | 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 Peterhead compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Peterhead, Scotland | ≈ 0–99 mg/L | 3.5° | 🟢 Soft | reservoir |
| Fraserburgh, Scotland | ≈ 0–100 mg/L | 5.7° | 🟢 Soft | reservoir |
| Ellon, Scotland | ≈ 0–100 mg/L | 2.2° | 🟢 Soft | reservoir |
| Aberdeen, Scotland | ≈ 0–100 mg/L | 2.1° | 🟢 Soft | reservoir |
| Nigg, Scotland | ≈ 0–100 mg/L | 5.4° | 🟢 Soft | reservoir |
National Benchmark
How Peterhead compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Peterhead | ≈ 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 Peterhead's Water Unique?
Local geology and source profile
Scottish Water supplies Peterhead from Loch Strathbeg and upland reservoirs located on the Buchan plateau in Aberdeenshire. The water undergoes treatment at regional Grampian facilities before reaching homes and businesses. This source is known for yielding naturally soft water, making it a key characteristic of the local supply. The reliability of these sources ensures a consistent flow to the community.
The water's journey begins in the Scottish Highlands, flowing from the Buchan plateau. This region is characterized by ancient igneous and metamorphic rock formations. These geological features are key to the water's softness, as they contain very few of the minerals that cause hardness. Unlike water that flows over limestone or chalk, the water here picks up minimal dissolved solids, resulting in its exceptionally low mineral content and resulting soft nature.
Residents may notice that soap lathers easily and less detergent is needed for laundry. Because the water is so soft, it's less likely to cause scale buildup in pipes and appliances like kettles and water heaters, potentially extending their lifespan. While generally pleasant tasting, some people accustomed to harder water might find the taste different. If you're looking for ways to enhance your experience with soft water, consider simple cleaning techniques that require less product and are gentler on surfaces.
Geology & Source: Upland reservoirs; igneous and metamorphic rocks of the Buchan plateau produce very soft water
Other Scotland Water Reports
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