How does Ham Lake's water compare to the national average?

The USA national average is 151 mg/L. Ham Lake (≈ 180+ mg/L) is 189 mg/L harder than average.

Ham Lake Water Hardness & Quality Report (2026)

Water Hardness

very hard

180+ mg/L

Very Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.8

neutral = 7.0

Lead

0.003 mg/L

✓ Below action level

TDS

263.8 mg/L

Est. Daily Cost

$0.91

energy & soap waste

Source: See methodology section below · Updated 2026

very hard180+ mg/LVery Hard · 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 Ham Lake, your appliances are currently losing 45% efficiency due to mineral buildup.

Appliance	In Ham Lake	Soft Water City	Efficiency 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 Ham Lake compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Ham Lake, Minnesota	≈ 180+ mg/L	4.4 ppt	🔴 Very Hard	groundwater
Andover, Minnesota	222.56 mg/L	21.7 ppt	🔴 Very Hard	groundwater
East Bethel, Minnesota	≈ 120–179 mg/L	6.1 ppt	🟠 Hard	groundwater
Blaine, Minnesota	≈ 180+ mg/L	89.9 ppt	🔴 Very Hard	groundwater
West Coon Rapids, Minnesota	292.48 mg/L	4.3 ppt	🔴 Very Hard	river

National Benchmark

How Ham Lake compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Ham Lake	≈ 180+ mg/L	🔴 High
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Ham Lake's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 263.8 mg/LpH: 7.8

Ham Lake, Minnesota, does not operate a municipal public water utility; residents rely primarily on private wells tapping groundwater from local aquifers in Anoka County. The City of Ham Lake provides stormwater management but no centralized drinking water treatment or distribution. Nearby cities such as Anoka report hardness around 13–16 gpg from similar groundwater sources, indicating a comparable water character for the area. Water quality is managed at the household level, with no specific treatment plant serving Ham Lake directly.

The region falls within the Rum River Watershed in the Mississippi River Basin, shaped by Pleistocene glacial deposits and Paleozoic bedrock aquifers including the Jordan Sandstone and underlying St. Peter Sandstone. These formations contribute dissolved minerals, yielding a hard supply. Glacial till and outwash sands filter recharge water, but interaction with carbonate bedrock — including limestone and dolomite — elevates mineralisation, distinguishing it from softer surface waters elsewhere in Minnesota.

Very hard water in Ham Lake promotes significant scale accumulation in pipes, water heaters, dishwashers, and washing machines, reducing efficiency and lifespan. Fixtures develop stubborn deposits, and skin or hair can feel dry after showering. Regular maintenance includes vinegar descaling, installing sediment filters on wells, and annual well inspections; a water softener is strongly recommended. Private well owners should test annually for coliforms, nitrates, and arsenic via certified labs, as limited public monitoring data exists for the area.

Geology & Source: Anoka County, Minnesota; Quaternary glacial drift over Paleozoic carbonate bedrock — Cambrian Jordan Sandstone Aquifer and Platteville Limestone dissolve to produce very hard groundwater

Other Minnesota Water Reports

Andover

222.56 mg/L

🔴 Very Hard

East Bethel

≈ 120–179 mg/L

🟠 Hard

Blaine

≈ 180+ mg/L

🔴 Very Hard

West Coon Rapids

292.48 mg/L

🔴 Very Hard

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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 Ham Lake's water safe to drink?

Yes. Ham Lake's water meets all federal safety standards. The hardness is ≈ 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 Ham Lake?

At ≈ 180+ mg/L (Very Hard), Ham Lake'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 Ham Lake compare to the USA average?

The USA national average is 151 mg/L. Ham Lake (≈ 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 Ham Lake 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.