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Springfield Water Hardness & Quality Report (2026)

Water Hardness

96mg/L
Moderately Hard

5.6 grains per gallon

Source

reservoir

pH Level

7.5

neutral = 7.0

Lead

0.001 mg/L

βœ“ Below action level

TDS

150.9 mg/L

Est. Daily Cost

$0.26

energy & soap waste

Source: See methodology section below Β· Updated 2026

96mg/L as CaCO₃Moderately 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 Springfield, your appliances are currently losing 13% efficiency due to mineral buildup.

ApplianceIn SpringfieldSoft Water CityEfficiency Loss
Kettle
7.4 yrs
8.5 yrs-13%
Washing Machine
10.4 yrs
12 yrs-13%
Water Heater
13.1 yrs
15 yrs-13%

Regional Water Comparison

How Springfield compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
β–Ά Springfield, Tennessee96 mg/L0 ppt🟑 Moderately Hardreservoir
White House, Tennesseeβ‰ˆ 120–179 mg/L0 ppt🟠 Hardreservoir
Goodlettsville, Tennesseeβ‰ˆ 120–179 mg/L6.9 ppt🟠 Hardreservoir
Hendersonville, Tennesseeβ‰ˆ 120–179 mg/L0 ppt🟠 Hardreservoir
Nashville, Tennessee79.5 mg/L10 ppt🟑 Moderately Hardriver

National Benchmark

How Springfield compares to the USA average

BenchmarkHardnessAppliance Risk
β–Ά Springfield96 mg/L🟑 Low
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟒 None

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What Makes Springfield's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 150.9 mg/LpH: 7.5

The City of Springfield Water & Wastewater Department serves Springfield in Robertson County, Tennessee, and surrounding areas north of Nashville. Water is sourced from surface water, primarily Old Hickory Lake on the Cumberland River, treated at a facility off Rockland Road in nearby Hendersonville by the White House Utility District (WHUD), which supplies the region. The utility meets all EPA standards as per annual reports. The watershed encompasses the Cumberland River basin, with Old Hickory Lake as the key reservoir formed by TVA dam on the river.

The underlying geology includes Paleozoic carbonate rock formations like Ordovician limestones, which dissolve to impart minerals, yielding a moderately mineralised character to the supply. Karst features in the Nashville Basin enhance mineral dissolution from limestone aquifers and soils, influencing chemistry without reliance on deep groundwater. This sets a typical profile for Central Tennessee surface waters. The geology is characterised by Ordovician limestone and dolomite formations, which contribute dissolved minerals to the water supply.

If minerals are present in the water, scale buildup is likely to be moderate, affecting water heaters, dishwashers, and fixtures over time. To mitigate this, regular descaling of appliances and vinegar rinses for showerheads can help. Considering a softener may also be a good idea if testing confirms the need. The White House Utility District reports full EPA compliance, and residents can check the latest Consumer Confidence Report on the city's website, springfieldtn.gov/210/Water-Wastewater, for more information on water quality and treatment processes.

Geology & Source: Central Basin - Nashville Basin karst topography; Ordovician limestone and dolomite formations; moderately mineralised

Other Tennessee Water Reports

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Frequently Asked Questions

Is Springfield's water safe to drink?
Yes. Springfield's water meets all federal safety standards. The hardness is 96 mg/L (Moderately Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Springfield?
Springfield's water is moderately hard at 96 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.
How does Springfield compare to the USA average?
The USA national average is 151 mg/L. Springfield (96 mg/L) is 55 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 Springfield 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.