Hardness & Fluoride
Understanding Water Hardness
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The table below shows the most recent hardness (in both ppm and grains) and fluoride results. Table will be updated when new results
are available. If blank, there are no result for the test at this time.
*Results are expressed as (CaCO3). This test does not have a MCL limit.
**Conversion to Grains: 1 mg/L=0.058417831 grains
Subdivision | Hardness, Total (as CaCO3) mg/L | Hardness, Grains | Collection Date | Fluoride mg/L (1025 Fluoride) | Collection Date |
Binford Creek | 157 | 9.18 | 3/4/2026 | <.5 | 3/4/2026 |
Bridlewood Estates | 246 | 14.39 | 8/16/2024 | 0.27 | 2/22/2024 |
Brazos Lakes | 165 | 9.65 | 2/22/2024 | 0.37 | 3/24/2025 |
Bauer Meadows | 148 | 8.66 | 3/31/2026 | - | - |
Benders Landing Estates | 146 | 8.54 | 8/27/2024 | <.5 | 10/21/2025 |
Bauer Landing | 127 | 7.43 | 9/5/2024 | 0.44 | 9/5/2024 |
Bella Vista | 153 | 8.95 | 9/18/2025 | <.5 | 9/18/2025 |
Camino Real | 133 | 7.78 | 9/12/2025 | <0.1 | 3/25/2025 |
Colony at Pinehurst | 70 | 4.08 | 12/16/2025 | <.5 | 12/16/2025 |
Creekside Village | 127 | 7.43 | 10/21/2025 | <.5 | 10/21/2025 |
Decker Farms | 239 | 13.98 | 3/28/2024 | 0.15 | 9/11/2023 |
Decker Oak Estates | 156 | 9.13 | 7/30/2025 | <.5 | 7/30/2025 |
Lakes of Fairhaven | 131 | 7.66 | 6/28/2024 | 0.19 | 6/18/2024 |
Flagstone | 149 | 8.72 | 12/16/2023 | 0.14 | 2/22/2023 |
Freeman Ranch | 207 | 12.11 | 6/9/2025 | <.5 | 6/9/2025 |
Indigo Lake Estates | 146 | 8.54 | 9/4/2024 | 0.36 | 9/4/2024 |
Katy Hockley Regional | 151 | 8.83 | 4/22/2026 | <.5 | 4/22/2026 |
Lake House | 121 | 7.08 | 6/9/2025 | <.5 | 6/9/2025 |
Lone Star Ranch | 8 | 0.45 | 10/14/2025 | 0.52 | 10/14/2025 |
Lake Windcrest | 176 | 10.30 | 3/18/2026 | <.5 | 3/18/2026 |
Mavera | 73 | 4.28 | 5/30/2024 | 0.31 | 5/30/2024 |
Mill Creek | 92 | 5.38 | 7/30/2025 | 0.14 | 4/17/2024 |
Mostyn Manor | 67 | 3.93 | 10/17/2024 | <.5 | 10/28/2025 |
Magnolia Reserve | 119 | 6.96 | 6/8/2023 | 0.21 | 6/8/2023 |
Northcrest Ranch 1 | 171 | 10.00 | 11/13/2025 | <.5 | 11/13/2025 |
Olympia Falls | 90 | 5.26 | 6/16/2025 | 0.95 | 6/16/2025 |
Pine Acres Trails | 241 | 14.10 | 3/13/2024 | 0.28 | 3/20/2023 |
Redbud | 160 | 9.36 | 3/27/2026 | <.5 | 12/1/2025 |
Rosehill Meadow | 211 | 12.34 | 12/16/2023 | <0.1 | 2/6/2023 |
Red Oak Ranch | 64 | 3.71 | 8/5/2025 | <.5 | 8/5/2025 |
Rockrose Ranch | 157 | 9.20 | 12/16/2023 | 0.13 | 2/14/2023 |
Sweetwater Ridge | 224 | 13.10 | 3/6/2025 | 0.24 | 12/11/2024 |
Grande San Jacinto | 121 | 7.08 | 5/15/2025 | 0.12 | 5/15/2025 |
McCall Sound/Sonoma Ridge | 178 | 10.41 | 6/21/2023 | 0.15 | 6/21/2023 |
Sendera Ranch | 45 | 2.62 | 6/8/2023 | <.5 | 8/5/2025 |
Trails at Cochran Ranch | 142 | 8.31 | 3/4/2026 | <.5 | 3/4/2026 |
Texas Grand Ranch | 58 | 3.42 | 4/20/2026 | 0.55 | 4/20/2026 |
Vacek Country Meadows | 393 | 22.99 | 10/25/2024 | 0.31 | 7/6/2023 |