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Anna Water Hardness & Quality Report (2026)

Water Hardness

234mg/L
Very Hard

13.7 grains per gallon

Source

mixed

pH Level

8.4

neutral = 7.0

Lead

0.005 mg/L

βœ“ Below action level

TDS

593 mg/L

Est. Daily Cost

$0.62

energy & soap waste

Source: USGS Water Quality Portal Β· Updated 2026

234mg/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 Anna, your appliances are currently losing 31% efficiency due to mineral buildup.

ApplianceIn AnnaSoft Water CityEfficiency Loss
Kettle
1.9 yrs
8.5 yrs-78%
Washing Machine
4.9 yrs
12 yrs-59%
Water Heater
6.2 yrs
15 yrs-59%

Regional Water Comparison

How Anna compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
β–Ά Anna, Texas234 mg/L8 pptπŸ”΄ Very Hardmixed
McKinney, Texas320.5 mg/L9.8 pptπŸ”΄ Very Hardmixed
Fairview, Texas368.5 mg/L10.9 pptπŸ”΄ Very Hardmixed
Allen, Texas152.5 mg/L6.3 ppt🟠 Hardmixed
Prosper, Texas368.5 mg/L10.9 pptπŸ”΄ Very Hardmixed

National Benchmark

How Anna compares to the USA average

BenchmarkHardnessAppliance Risk
β–Ά Anna234 mg/LπŸ”΄ High
USA National Avg150 mg/L🟠 Moderate
Badger Top Rated8.5 mg/L🟒 None

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What Makes Anna's Water Unique?

Local geology and source profile

Source: MixedTDS: 593 mg/LpH: 8.4

Anna, Texas, in Collin County β€” a Collin County city adjacent to McKinney and Van Alstyne north of the Dallas metroplex β€” receives its water from the City of Anna Water Department or North Texas MWD, drawing from Lake Texoma or Lake Lavon through the north Texas distribution.

The very hard 234 mg/L hardness and high TDS of 593 mg/L reflect the Collin County North Texas supply's hard calcareous character β€” the Cretaceous Austin Chalk and Taylor Marl are calcareous formations in the Texas Blackland Prairie, and the Trinity and Red River drainages concentrate minerals from the Permian evaporite belt to the west (compare McKinney TX: 228/580 in Collin County comparable; Van Alstyne TX: 240/606 in Collin County comparable; Anna consistent very hard from the same Collin County North Texas MWD Cretaceous calcareous supply). The Trinity watershed at Collin County β€” Cretaceous Austin Chalk (calcareous β€” primary hardness contributor), Cretaceous Taylor Marl (calcareous β€” secondary contributor), and Permian Evaporite (saline β€” TDS contributor).

At 234 mg/L with TDS 593, Anna's water is very hard β€” a water softener is strongly recommended to protect plumbing and appliances. The PFAS level of 8.0 ppt is elevated β€” a certified drinking water filter with PFAS removal is recommended. Review the City of Anna's annual water quality report.

Geology & Source: Anna in Collin County draws from the City of Anna Water on the North Texas MWD supply (Collin County, north Texas) β€” the Trinity watershed at Collin County drains Cretaceous Austin Chalk (calcareous) and Cretaceous Taylor Marl (calcareous) β€” Texas Collin County North Texas MWD Cretaceous calcareous supply produces very hard water at 234 mg/L with TDS 593 mg/L.

Other Texas Water Reports

Frequently Asked Questions

Is Anna's water safe to drink?
Yes. Anna's water meets all federal safety standards. The hardness is 234 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 Anna?
At 234 mg/L (Very Hard), Anna'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 31%.
How does Anna compare to the USA average?
The USA national average is 150 mg/L. Anna at 234 mg/L is 84 mg/L above the national average. The softest major city is Badger at just 8.5 mg/L.