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Haslett Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

river

pH Level

7.7

neutral = 7.0

Lead

0.003 mg/L

✓ Below action level

TDS

224.9 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 Haslett, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn HaslettSoft Water CityEfficiency 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 Haslett compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Haslett, Michigan≈ 120–179 mg/L7.3 ppt🟠 Hardriver
Okemos, Michigan≈ 180+ mg/L0 ppt🔴 Very Hardgroundwater
East Lansing, Michigan≈ 120–179 mg/L0 ppt🟠 Hardgroundwater
Lansing, Michigan≈ 120–179 mg/L0 ppt🟠 Hardgroundwater
Holt, Michigan≈ 180+ mg/L10 ppt🔴 Very Hardgroundwater

National Benchmark

How Haslett compares to the USA average

BenchmarkHardnessAppliance Risk
Haslett≈ 120–179 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Haslett's Water Unique?

Local geology and source profile

Source: RiverTDS: 224.9 mg/LpH: 7.7

Ingham County Water Authority serves Haslett in Ingham County, Michigan, drawing water from the Red Cedar River in the Lansing area. This surface water source provides drinking water to Haslett residents and surrounding communities in Ingham County. The Red Cedar River flows through the Michigan Lower Peninsula's glaciated till plain, and the authority treats and distributes this river water to serve the local population. Treatment and distribution infrastructure managed by the Ingham County Water Authority ensures reliable public water service to Haslett and nearby areas throughout the county.

The Red Cedar River drains the Michigan Lower Peninsula till plain, where the subsurface geology features Silurian dolomite and Devonian limestone overlain by calcareous Pleistocene glacial till. As river water interacts with these carbonate formations and mineral-rich glacial deposits, calcium and magnesium ions dissolve into the supply. This geological setting — characterized by dolomite, limestone, and calcareous glacial till — produces a moderately hard water character with elevated total dissolved solids (TDS) typical of Ingham County, Michigan's groundwater-influenced region.

Moderately hard water from the Red Cedar River supply causes gradual scale buildup in pipes, water heaters, dishwashers, and washing machines, reducing appliance efficiency and longevity over time. White mineral deposits appear on fixtures and glassware, and soap lathering is somewhat reduced. Regular maintenance — periodic descaling of appliances and cleaning of aerators and showerheads — is advisable. A water softener may benefit households wishing to reduce mineral deposits and improve soap efficiency, given the moderately hard character typical of this Ingham County supply.

Geology & Source: Red Cedar River drainage — Michigan Lower Peninsula till plain; Silurian dolomite and Devonian limestone over calcareous Pleistocene glacial till; dissolved calcium and magnesium yield moderately hard water in Ingham County

Other Michigan Water Reports

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Frequently Asked Questions

Is Haslett's water safe to drink?
Yes. Haslett'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 Haslett?
At ≈ 120–179 mg/L (Hard), Haslett'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 Haslett compare to the USA average?
The USA national average is 151 mg/L. Haslett (≈ 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 Haslett 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

pH

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.