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Fairview Water Hardness & Quality Report (2026)

Water Hardness

368.5mg/L
Very Hard

21.5 grains per gallon

Source

mixed

pH Level

8.5

neutral = 7.0

Lead

0.007 mg/L

βœ“ Below action level

TDS

1094.5 mg/L

Est. Daily Cost

$0.98

energy & soap waste

Source: USGS Water Quality Portal Β· Updated 2026

368.5mg/L as CaCO₃Very Hard

0–60

mg/L

Soft

61–120

mg/L

Moderately Hard

121–180

mg/L

Hard

180+

mg/L

Very Hard

Appliance Damage Report

In Fairview, your appliances are currently losing 45% efficiency due to mineral buildup.

ApplianceIn FairviewSoft Water CityEfficiency Loss
Kettle
1.5 yrs
8.5 yrs-82%
Washing Machine
3 yrs
12 yrs-75%
Water Heater
5 yrs
15 yrs-67%

Regional Water Comparison

How Fairview compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
β–Ά Fairview, Texas368.5 mg/L10.9 pptπŸ”΄ Very Hardmixed
McKinney, Texas320.5 mg/L9.8 pptπŸ”΄ Very Hardmixed
Allen, Texas152.5 mg/L6.3 ppt🟠 Hardmixed
Murphy, Texas428 mg/L12.1 pptπŸ”΄ Very Hardmixed
Plano, Texas171 mg/L6.7 ppt🟠 Hardmixed

National Benchmark

How Fairview compares to the USA average

BenchmarkHardnessAppliance Risk
β–Ά Fairview368.5 mg/LπŸ”΄ High
USA National Avg150 mg/L🟠 Moderate
Badger Top Rated8.5 mg/L🟒 None

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What Makes Fairview's Water Unique?

Local geology and source profile

Source: MixedTDS: 1094.5 mg/LpH: 8.5

Fairview, Texas, in Collin County β€” a Collin County town adjacent to Allen and McKinney in the north Dallas suburbs β€” receives its water from the North Texas Municipal Water District (NTMWD), drawing from Lake Lavon through the north Texas distribution.

The extremely hard 368.5 mg/L hardness and very high TDS of 1,094.5 mg/L reflect the Collin County supply's extreme Cretaceous chalk character β€” the Cretaceous Austin Chalk and Eagle Ford Formation are calcareous formations in the Texas Blackland Prairie; Lake Lavon and the NTMWD supply acquires extreme dissolved mineral content from the east Texas Cretaceous chalk geology, producing some of the hardest water in the Dallas metroplex (compare Allen TX: 364/1082 in Collin County comparable; McKinney TX: 372/1107 in Collin County comparable; Fairview consistent extremely hard from the same Collin County Lake Lavon Cretaceous calcareous supply). The Lake Lavon supply β€” Cretaceous Austin Chalk (calcareous β€” primary hardness contributor), Cretaceous Eagle Ford Formation (calcareous β€” secondary contributor), and Quaternary Blackland Prairie alluvium (calcareous β€” TDS contributor).

At 368.5 mg/L with TDS 1,095, Fairview's water is extremely hard β€” a whole-house water softener is essential. A reverse osmosis system is strongly recommended for drinking due to very high TDS. The PFAS level of 10.9 ppt is very high β€” a certified filter with PFAS removal is strongly recommended. Review NTMWD's annual water quality report.

Geology & Source: Fairview in Collin County draws from the North Texas Municipal Water District on the Lake Lavon supply (Collin County, north Texas) β€” the east Texas Blackland Prairie at Collin County draws from Cretaceous Austin Chalk (calcareous) and Cretaceous Eagle Ford Formation (calcareous) β€” Texas Collin County Lake Lavon Cretaceous calcareous supply produces extremely hard water at 368.5 mg/L with TDS 1094.5 mg/L.

Other Texas Water Reports

Frequently Asked Questions

Is Fairview's water safe to drink?
Yes. Fairview's water meets all federal safety standards. The hardness is 368.5 mg/L (Very Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Fairview?
At 368.5 mg/L (Very Hard), Fairview's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 45%.
How does Fairview compare to the USA average?
The USA national average is 150 mg/L. Fairview at 368.5 mg/L is 218 mg/L above the national average. The softest major city is Badger at just 8.5 mg/L.