Water Hardness and Quality in New York
Supplied by Severn Trent Water · Derby Zone 11
New York has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in New York
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
224.4mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.6pH units
UK Average: 7.43 pH unitsWell Above Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.17mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
10.06mg/l
UK Average: 16.9 mg/lBelow Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
1.32µg/l
UK Average: 1.08 µg/lWell Above Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.32mg/l
UK Average: 0.19 mg/lWell Above Average
LowAverageHigh
Water Hardness in New York
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
224.4mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
New York has hard water at 224.4 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
- Derby Zone 11
- Source Type
- Mixed
- Treatment Works
- Derby Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Severn Trent Water
Frequently Asked Questions
Is the water hard in New York?▾
Yes, New York has hard water at 224.4 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is New York tap water safe to drink?▾
Yes, tap water in New York 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 New York?▾
The water hardness in New York is 224.4 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to New York?▾
Water in New York is supplied by Severn Trent Water, which serves the West Midlands region. The water comes from mixed sources and is treated at Derby Treatment Works.