Dearborn County · IN

Aurora, IN

Aurora runs 21.05 grains per gallon through Aurora Utilities, which puts it in the very hard band. That is high enough that scale shows up on fixtures and inside water heaters within months, not years. Aurora does not soften its water, and says so directly in its water quality report.

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Local water profile

21.05 grains per gallon, very hard water, supplied by Aurora Utilities.

Aurora neighborhoods we serve

Downtown Aurora
Hidden Valley area

Water profile

Aurora water is 21.05 grains per gallon.

That is classed as very hard water. It comes from Aurora Utilities, per the Aurora Utilities 2025 Consumer Confidence Report.

Hardness: 21.05 grains per gallonVery hard
Utility: Aurora Utilities
Source: Local wells
Treatment: Aurora does not soften its water, and says so directly in its water quality report.
Worth knowing: Aurora publishes 360 mg/L, or 21.05 grains, and because there is no softening step that is what actually reaches your tap. It is among the hardest water we treat.

Source: Aurora Utilities 2025 Consumer Confidence Report, 2025 reporting year. Hardness bands follow the Water Quality Association scale: soft under 3.5 grains, moderate 3.5 to 7, hard 7 to 10.5, very hard above 10.5.

What that means here

At this level scale builds fast. Expect visible crust on fixtures within weeks of cleaning them, and a water heater working noticeably harder than it should.

~16

bags of salt a year

At 21.05 grains, for a four-person household using about 300 gallons a day. Fewer people or a more efficient softener uses less.

21.05

grains per gallon

Very hard on the Water Quality Association scale. Soft is under 3.5, hard starts at 7, very hard above 10.5.

Common questions

How hard is the water in Aurora, IN?

Water in Aurora, IN is 21.05 grains per gallon, which is classed as very hard water. It is supplied by Aurora Utilities from local wells, per the Aurora Utilities 2025 Consumer Confidence Report (2025).

Who supplies the water in Aurora, IN?

Aurora is served by Aurora Utilities. The water comes from local wells. Aurora does not soften its water, and says so directly in its water quality report.

Do I need a water softener in Aurora, IN?

At 21.05 grains per gallon, Aurora water is very hard. Water above 7 grains per gallon causes scale in water heaters and fixtures and reduces soap lather, which is the point at which most homes benefit from a softener.

What parts of Aurora do you cover?

All of Aurora, including Downtown Aurora and Hidden Valley area. Flat-rate pricing across the whole service area, with no travel charge between neighborhoods.

How much salt will a softener use in Aurora?

At 21.05 grains per gallon, a four-person household using roughly 300 gallons a day goes through about 16 forty-pound bags of softener salt a year. Smaller households and higher-efficiency softeners use less.

Is anything unusual about Aurora water?

Aurora publishes 360 mg/L, or 21.05 grains, and because there is no softening step that is what actually reaches your tap. It is among the hardest water we treat.

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Local coverage

Aurora, IN: ZIP Codes We Serve

We install and service water treatment systems across 47001.

Aurora, IN: Local Landmarks

Homes near Mary A. Stratton Park, Lesko Park, Aurora Park, Lions Club Park, Aurora Community Center and Aurora City Hall all draw the same municipal supply.

Aurora, IN: Nearby Streets

Our crews work Decatur Street, Importing Street, Green Boulevard, Sunnyside Avenue, 3rd Street, Judiciary Street, Water Street and West Eads Parkway regularly.

Aurora, IN in Southeast Indiana

Aurora sits in Dearborn County, part of Southeast Indiana. Water here is supplied and treated at the county and municipal level, so hardness and treatment vary street to street across the region rather than following one regional average. That is why we test at the property before recommending a system. See every community we serve in Dearborn County.

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