How does Manchester's water compare to the national average?

The USA national average is 151 mg/L. Manchester (≈ 120–179 mg/L) is 1 mg/L softer than average.

Manchester Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

neutral = 7.0

Lead

0.002 mg/L

✓ Below action level

TDS

81 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · 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 Manchester, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Manchester	Soft Water City	Efficiency Loss
Kettle	6.8 yrs	8.5 yrs	-20%
Washing Machine	9.6 yrs	12 yrs	-20%
Water Heater	12 yrs	15 yrs	-20%

Regional Water Comparison

How Manchester compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Manchester, Tennessee	≈ 120–179 mg/L	86 ppt	🟠 Hard	reservoir
Tullahoma, Tennessee	≈ 120–179 mg/L	152.2 ppt	🟠 Hard	reservoir
Shelbyville, Tennessee	102 mg/L	90.7 ppt	🟡 Moderately Hard	reservoir
McMinnville, Tennessee	≈ 0–60 mg/L	3.4 ppt	🟢 Soft	reservoir
Murfreesboro, Tennessee	≈ 60–120 mg/L	21.4 ppt	🟡 Moderately Hard	reservoir

National Benchmark

How Manchester compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Manchester	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

Bring Scarsdale-quality water to your Manchester home

Shop water softeners on Amazon.com →

Shop Now

What Makes Manchester's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 81 mg/LpH: 7

The Manchester Water and Sewer Department (MWSD) supplies Manchester, Tennessee, drawing from the Normandy Reservoir. This reservoir, a purchased surface water source located in Coffee County, is fed by the Duck River watershed, which drains the Cumberland Plateau. The utility operates from 200 W. Fort Street and has maintained a strong compliance record with the Tennessee Division of Water Supply for over two decades. Treatment processes ensure the water meets all federal and state drinking-water standards.

The region's geology is characterized by limestone and other mineral-rich formations typical of Tennessee's Highland Rim. As water percolates through this carbonate bedrock, it dissolves minerals like calcium and magnesium. This natural process, common in central Tennessee, results in water that is moderately hard.

Homeowners in Manchester may notice some scale buildup in appliances such as kettles and water heaters over time due to this moderate hardness. While a water softener isn't strictly necessary, regular descaling of appliances can help manage mineral deposits. Generally, the plumbing and fixtures should not require immediate attention. The latest water quality report confirms all detected substances, including lead at 0.015 mg/L, are well within EPA limits, posing no health risks.

Geology & Source: Cumberland Plateau limestone; Highland Rim carbonate bedrock; moderate hardness

Other Tennessee Water Reports

Tullahoma

≈ 120–179 mg/L

🟠 Hard

Shelbyville

102 mg/L

🟡 Moderately Hard

McMinnville

≈ 0–60 mg/L

🟢 Soft

Murfreesboro

≈ 60–120 mg/L

🟡 Moderately Hard

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Manchester's water safe to drink?

Yes. Manchester's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Manchester?

At ≈ 120–179 mg/L (Hard), Manchester'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 20%.

How does Manchester compare to the USA average?

The USA national average is 151 mg/L. Manchester (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Manchester 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 — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

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

Estimated

TDS — 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 — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — 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 — 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.