# Tampa Bay Water Systems by My Home Water System

> Published water hardness for Tampa, FL, copied from the utility's own reports, and a way to request a written water treatment quote from one local company. Not a water utility.

## Water facts, as published
- Total hardness, Tampa Water Department: Average 185 mg/L (10.8 grains per gallon) (Calendar year 2024). Source: 2024 Water Quality Report (City of Tampa, published 2025), https://www.tampa.gov/sites/default/files/document/2025/2024-water-quality-report-ada-compliant.pdf
- Hardness through the year, Tampa Water Department: About 140-300 ppm (8-17 grains per gallon) (Undated document). Source: Understanding Water Hardness (City of Tampa), https://www.tampa.gov/sites/default/files/document/2026/understanding-water-hardness.pdf
- USGS class, our reading of the published figures: hard to very hard. Classes: https://www.usgs.gov/water-science-school/science/hardness-water
- The Tampa Water Department adds monochloramine (chlorine and ammonia) before water leaves the plant.
- The city says hardness changes with the seasons. It also uses stored aquifer water and buys water from Tampa Bay Water when needed.
- Tampa adds ammonia to make chloramine so the water stays disinfected through the pipes. Source: Tampa 2024 Water Quality Report, https://www.tampa.gov/sites/default/files/document/2025/2024-water-quality-report-ada-compliant.pdf
- Tampa relies mainly on the Hillsborough River, plus treated water stored in aquifer wells and a small share bought from Tampa Bay Water (2.5 percent in 2024). Source: Tampa 2024 Water Quality Report, https://www.tampa.gov/sites/default/files/document/2025/2024-water-quality-report-ada-compliant.pdf
- The city says hardness is lower in the wet season and higher in the dry season. Source: City of Tampa, Understanding Water Hardness, https://www.tampa.gov/sites/default/files/document/2026/understanding-water-hardness.pdf
- Sources last checked: 2026-10-27

## Pages
- [Tampa water and quotes](https://tampabaywatersystems.com/): the answer, the sources, common questions
- [Water data as JSON](https://tampabaywatersystems.com/water.json)
- [Water softeners](https://www.myhomewatersystem.com/water-softeners/), [whole-home filtration](https://www.myhomewatersystem.com/whole-home-filtration/), [reverse osmosis](https://www.myhomewatersystem.com/reverse-osmosis/)
- [Hard water by city](https://www.myhomewatersystem.com/hard-water-by-city/): published hardness for every city we cover

## Status
- Taking requests. No prices are published; quotes come after an assessment at the home.
- Run by My Home Water System, operated by Aidren LLC.