Tampa Water Quality Report | Trusted Local Specialists
Water Softener of Tampa offers professional water hardness testing and quality reporting across Tampa and Hillsborough County. Tampa Water Department delivers Surface water from the Hillsborough River, Alafia River, and Tampa Bypass Canal, supplemented by Floridan Aquifer groundwater and desalinated seawater from the Tampa Bay Seawater Desalination Plant at Apollo Beach during dry periods at 11–15 GPG to every Tampa home, classified as Very Hard by the Water Quality Association. Free in-home water hardness test included with every consultation. Results confirmed on the spot. No obligation to proceed.

Tampa's public water supply is sourced from Surface water from the Hillsborough River, Alafia River, and Tampa Bypass Canal, supplemented by Floridan Aquifer groundwater and desalinated seawater from the Tampa Bay Seawater Desalination Plant at Apollo Beach during dry periods and managed by Tampa Water Department, which serves 414,575 residents across Hillsborough County. Homes across Tampa, including Hyde Park, Seminole Heights, Ybor City, Davis Islands, see hardness levels of 11–15 grains per gallon (GPG), classified as Very Hard. Left untreated, this level of hardness has measurable effects on plumbing and appliances. See Hard Water Effects in Tampa: What It Does to Your Home.
Water Source
Surface water from the Hillsborough River, Alafia River, and Tampa Bypass Canal, supplemented by Floridan Aquifer groundwater and desalinated seawater from the Tampa Bay Seawater Desalination Plant at Apollo Beach during dry periods
Managing Authority
Tampa Water Department
Understanding Very Hard Water
Water hardness is measured in grains per gallon (GPG) of dissolved calcium and magnesium. Tampa's 11–15 GPG range falls in the "Very Hard" category:
| GPG Range | Classification |
|---|---|
| 0 – 1 | Soft |
| 1 – 3.5 | Slightly Hard |
| 3.5 – 7 | Moderately Hard |
| 7 – 10.5 | Hard |
| 10.5+ | Very Hard |
| 11 – 15 | Tampa, FL (Very Hard) |
Hardness by ZIP Code
Hardness readings can vary slightly by neighbourhood and distribution line. Approximate figures for Tampa ZIP codes:
| ZIP Code | Approx. Hardness |
|---|---|
| 33606 | 11–15 GPG (Very Hard) |
| 33604 | 11–15 GPG (Very Hard) |
| 33609 | 11–15 GPG (Very Hard) |
Get Your Exact Hardness Reading
Book a free in-home water test to know exactly what Tampa water is doing to your plumbing.
Request a Free Water Test