Carluke Water Hardness & Quality Report (2026)
Water Hardness
~0–99 mg/L
Softestimated · not lab-verified
Source
reservoir
pH Level
7.3
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
129.9 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 Carluke, your appliances are currently losing 7% efficiency due to mineral buildup.
| Appliance | In Carluke | 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 Carluke compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Carluke, Scotland | ≈ 0–99 mg/L | 3.5° | 🟢 Soft | reservoir |
| Dalserf, Scotland | ≈ 0–100 mg/L | 5.5° | 🟢 Soft | reservoir |
| Wishaw, Scotland | ≈ 0–100 mg/L | 6.1° | 🟢 Soft | reservoir |
| Larkhall, Scotland | ≈ 300+ mg/L | 2° | 🔴 Very Hard | reservoir |
| Motherwell, Scotland | ≈ 0–100 mg/L | 1.7° | 🟢 Soft | reservoir |
National Benchmark
How Carluke compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Carluke | ≈ 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 Carluke's Water Unique?
Local geology and source profile
Scottish Water supplies Carluke, located in North Lanarkshire, drawing from an integrated system of reservoirs and groundwater sources across central Scotland. The utility, which serves about 1.8 million customers, operates numerous treatment plants, including those serving the Lanarkshire region. Carluke's water originates from the Midland Valley watershed. This region is characterized by Carboniferous sedimentary rocks, Devonian volcanic formations, and slate deposits. Unlike areas built on chalk and limestone, Scotland's geology features granite, slate, and igneous rocks that release fewer dissolved minerals into groundwater. This geological foundation results in naturally soft water with minimal hardness-causing minerals for Carluke residents.
Homeowners in Carluke won't see much limescale buildup on kettles, taps, or showerheads. Appliances like washing machines and dishwashers should operate efficiently without the scale accumulation common in hard water areas. Water softening systems are generally unnecessary for most households here, though some may opt for one for personal preference. Boilers and heating systems will require less frequent descaling maintenance, potentially leading to lower long-term repair costs for these appliances. Scottish Water ensures all tap water meets the UK drinking water quality standards set by the Drinking Water Quality Regulator for Scotland (DWQR). The water undergoes treatment at regional facilities before distribution, and tap water in Carluke is safe to drink.
Customers seeking specific water quality data for their supply zone can contact Scottish Water directly at 0800 077 8778 or customer.services@scottishwater.co.uk. The water is treated at regional facilities before reaching your tap. The low mineral content means you’ll likely use less soap and detergent for cleaning and washing. This soft water profile contributes to the overall quality and safety of the drinking water provided to Carluke residents, meeting all regulatory standards.
Geology & Source: Midland Valley of Scotland - Carboniferous sedimentary and Devonian volcanic rocks; slate, sandstone, igneous rocks yield soft water
Other Scotland Water Reports
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