Best Long Island Water Quality Apps

249+ iOS apps curated and reviewed

3.7 avg rating
20 free apps
Updated November 2026

Finding the right long island water quality apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Long Island Water Quality Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1LI Water QualityLI Water QualityFree—NoNoMay 2026
2NJWATER New Jersey Water AssocNJWATER New Jersey Water AssocFree—NoNoMay 2026
3Water AssistWater AssistFree2.5★ (11)NoNoOct 2026
4Flume WaterFlume WaterFree4.7★ (1.7K)NoYesNov 2026
5Islandwide WeatherIslandwide WeatherFree5.0★ (336)NoNoOct 2026
6Cloud WaterCloud WaterFree4.5★ (20)NoNoOct 2026
7Water AuthorityWater AuthorityFree1.0★ (1)NoNoMay 2026
8Water & Sewerage Corp BahamasWater & Sewerage Corp BahamasFree—NoNoMay 2026

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FAQ about Long Island Water Quality

Are there free long island water quality apps for iPhone?
Yes — 20 of the top long island water quality apps we rank are free to download, including LI Water Quality and NJWATER New Jersey Water Assoc.
LI Water Quality has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 249+ long island water quality apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.