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Mount Pleasant Water Hardness & Quality Report (2026)

Water Hardness

very hard

180+ mg/L

Very Hard

estimated Β· not lab-verified

Source

reservoir

pH Level

8.5

neutral = 7.0

Lead

0.007 mg/L

βœ“ Below action level

TDS

1000.4 mg/L

Est. Daily Cost

$0.91

energy & soap waste

Source: See methodology section below Β· Updated 2026

very hard180+ mg/LVery Hard Β· est.

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 Mount Pleasant, your appliances are currently losing 45% efficiency due to mineral buildup.

ApplianceIn Mount PleasantSoft Water CityEfficiency Loss
Kettle
4.7 yrs
8.5 yrs-45%
Washing Machine
6.6 yrs
12 yrs-45%
Water Heater
8.3 yrs
15 yrs-45%

Regional Water Comparison

How Mount Pleasant compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
β–Ά Mount Pleasant, Texasβ‰ˆ 180+ mg/L6.6 pptπŸ”΄ Very Hardreservoir
Sulphur Springs, Texasβ‰ˆ 120–179 mg/L0 ppt🟠 Hardreservoir
Longview, Texasβ‰ˆ 120–179 mg/L0 ppt🟠 Hardreservoir
Paris, Texasβ‰ˆ 120–179 mg/L0 ppt🟠 Hardreservoir
Kilgore, Texasβ‰ˆ 120–179 mg/L5.8 ppt🟠 Hardreservoir

National Benchmark

How Mount Pleasant compares to the USA average

BenchmarkHardnessAppliance Risk
β–Ά Mount Pleasantβ‰ˆ 180+ mg/LπŸ”΄ High
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟒 None

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What Makes Mount Pleasant's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 1000.4 mg/LpH: 8.5

Mount Pleasant Municipal Water Company serves the city of Mount Pleasant in Titus County, Northeast Texas. The utility draws from three surface water sources: Lake Bob Sandlin (primary), Lake Cypress Springs (primary), and Lake Tankersley (emergency backup). These reservoirs supply treated drinking water to the service area via a municipal distribution system. Annual Consumer Confidence Reports are published by the utility; the 2023 and 2024 reports confirm compliance with EPA drinking water standards, with turbidity monitored and maintained below 1 NTU.

The water supply originates in the Sulphur River watershed, a region underlain by Cretaceous and Tertiary sedimentary rock formations composed of limestone, chalk, and clay. These carbonate-rich strata dissolve readily into surface water and groundwater, introducing high concentrations of dissolved calcium and magnesium minerals. The geological setting is typical of Northeast Texas and results in a very hard water supply throughout the region.

At very hard water levels, residents can expect significant scale buildup in water heaters, pipes, dishwashers, and washing machines, with mineral accumulation that shortens appliance lifespan and requires regular maintenance. Soap and detergent efficiency is reduced, requiring higher doses for effective cleaning. A water softener is strongly recommended to protect plumbing infrastructure and extend appliance lifespan. Residents should consult the latest Consumer Confidence Report for detailed pH, disinfection byproducts, lead and copper compliance, and contaminant information.

Geology & Source: Sulphur River watershed, Northeast Texas; Cretaceous and Tertiary sedimentary limestone and chalk formations β€” dissolution produces very hard water from Lake Bob Sandlin and Lake Cypress Springs reservoirs

Other Texas Water Reports

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Frequently Asked Questions

Is Mount Pleasant's water safe to drink?
Yes. Mount Pleasant's water meets all federal safety standards. The hardness is β‰ˆ 180+ 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 Mount Pleasant?
At β‰ˆ 180+ mg/L (Very Hard), Mount Pleasant'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 Mount Pleasant compare to the USA average?
The USA national average is 151 mg/L. Mount Pleasant (β‰ˆ 180+ mg/L) is 189 mg/L above the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Mount Pleasant is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city β€” the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

pH

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock β€” values may differ from utility-reported figures.

Estimated

TDS β€” Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS β€” Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) β€” sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age β€” all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.