Water Hardness and Quality in Ollerton
Supplied by Severn Trent Water · Mansfield Zone 21
Ollerton has very hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Ollerton
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
426.8mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.45pH units
UK Average: 7.43 pH unitsAverage
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.2mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
40.04mg/l
UK Average: 16.9 mg/lWell Above Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.11µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.75mg/l
UK Average: 0.19 mg/lWell Above Average
LowAverageHigh
Water Hardness in Ollerton
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
426.8mg/l CaCO₃Very Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Ollerton has hard water at 426.8 mg/l. You will likely experience significant limescale buildup in kettles, boilers, and on bathroom surfaces. Many residents in your area use water softeners or anti-limescale products.
Water Source Information
- Water Company
- Severn Trent Water
- Supply Zone
- Mansfield Zone 21
- Source Type
- Groundwater
- Treatment Works
- Nottingham Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Severn Trent Water
Frequently Asked Questions
Is the water hard in Ollerton?▾
Yes, Ollerton has hard water at 426.8 mg/l CaCO₃. This is classified as "Very Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Ollerton tap water safe to drink?▾
Yes, tap water in Ollerton is safe to drink. It is treated and tested by Severn Trent Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Ollerton?▾
The water hardness in Ollerton is 426.8 mg/l CaCO₃, which is classified as "Very Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Ollerton?▾
Water in Ollerton is supplied by Severn Trent Water, which serves the West Midlands region. The water comes from underground aquifers and is treated at Nottingham Treatment Works.