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TapWaterMap
Your city's EPA drinking-water records, in plain English
Search your city and TapWaterMap shows the EPA's own drinking-water records (SDWIS) translated into plain English, with the source shown every time. It's the calm middle between alarmist blogs and dense government PDFs. 19,144 city pages, all 51 states, one source: EPA SDWIS. Free, no login. Note: it presents and translates public EPA data - it does not test your water and is not a lab.
Hey PH, Tamas here, solo maker. TapWaterMap started because every time I looked up my city's tap water I got either a scary filter-company blog or a 60-page EPA PDF. So I took the EPA's own drinking-water records (SDWIS) and translated them into plain English, one page per city, with the source shown every time so you can check it yourself. 19,144 city pages, all 51 states, free, no login. To be clear about scope: it presents and translates public EPA data - it does not test your water and it's not a lab, and I kept it calm and non-alarmist (no filter upsell). Two things I'd love feedback on: (1) is 'plain-English + always show the source' the right tone for something health-adjacent? (2) what would you want to see on your own city's page? Thanks for looking.
Pulled up my zip and actually found my county's report without digging through three government portals. The plain-English breakdown of contaminants next to the source citation is genuinely useful, not just slapped on top.
Love how straightforward this is. One thing I'd find useful is a simple way to compare two cities side by side, like when I'm thinking about a move and want to see the contaminant readings lined up against each other.
Looked up my hometown and it nailed the violation history without making me feel like I needed to buy a filter or move. Seeing the raw SDWIS row right under each plain-English line is a really nice touch for trust.
About TapWaterMap on Product Hunt
“Your city's EPA drinking-water records, in plain English”
TapWaterMap was submitted on Product Hunt and earned 7 upvotes and 4 comments, placing #159 on the daily leaderboard. Search your city and TapWaterMap shows the EPA's own drinking-water records (SDWIS) translated into plain English, with the source shown every time. It's the calm middle between alarmist blogs and dense government PDFs. 19,144 city pages, all 51 states, one source: EPA SDWIS. Free, no login. Note: it presents and translates public EPA data - it does not test your water and is not a lab.
TapWaterMap was featured in Health & Fitness (82.9k followers), Home (170.1k followers) and Data & Analytics (5.7k followers) on Product Hunt. Together, these topics include over 41.9k products, making this a competitive space to launch in.
Who hunted TapWaterMap?
TapWaterMap was hunted by Tamas Kalman. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Tamas Kalman