Official UK water quality data — by postcode — embedded in your website, app or customer journey. Help your customers understand their water, then guide them to the right solution.
Powering data for Culligan-backed brands · Official DWI data · 22 water companies · 1,600+ supply zones · 30+ parameters
of UK consumers work around their tap water — running taps, adding squash, chilling it. They know something is off but don't know what.
happily drink straight from the tap. The rest want a solution but can't articulate the problem.
is what hard water costs the average household in a very hard area. Most people don't know this until you show them.
Generic product pages don't convert these people. Personalised, postcode-specific water data does. When a customer sees their actual hardness is 340 mg/L and it's costing them £800 a year, they don't need convincing — they need a product page.
Use postcode hardness data to educate customers on limescale, appliance damage and softener suitability. Turn hard-water awareness into qualified softener enquiries.
See the Hard Water Cost Calculator →A visitor from Norwich (NR1 3JU) sees: Hardness 340 mg/L — Very Hard. Estimated cost: £800/year. Softener payback: 18 months. That's not a sales pitch — it's their own data.
Match filter recommendations to the customer's actual local water profile. Turn "Do I need a filter?" into a personalised, data-backed answer. Show official chlorine, PFAS and lead data — not generic marketing claims.
A visitor from King's Lynn (PE30 1AA) sees: Nitrate 40.4 mg/L — approaching the 50 mg/L limit. PFAS improvement notice: Active. Recommended: Reverse osmosis. That's a conversion, not a bounce.
Postcode-level water quality, hardness, PFAS compliance, lead pipe risk, and supply incident history for property listings, area guides, and homebuyer reports.
See our property data offering →Bring local water data into the beauty and wellness buying journey. Show whether a customer's area has hard water, elevated chlorine or mineral levels that may affect product performance.
A visitor checks their postcode and sees: Hardness 415 mg/L — Very Hard. Chlorine: 0.50 mg/L. These are the numbers that explain why their skin may feel dry and their shampoo won't lather.
Enter any UK postcode — this is the same widget your customers would use on your site.
This took 60 seconds to install. Your customers see their data. You see conversions.
A Culligan-backed water filtration brand uses MyTapWater data to power their Water Confidence Index, combining consumer survey data with postcode-level water quality metrics.
📻 Featured on BBC Radio Norfolk discussing UK water quality data — July 2026
Most integrations are live within a day. No long contracts, no setup fees.
Or email hello@mytapwater.co.uk — we typically reply within a few hours.