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Hendricks County, Indiana Water Quality Report

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Brownsburg Water Works

2025 report; individual sample dates shown

For Brownsburg’s own system (IN5232002). The separate Citizens supplier tables in the PDF are not substituted for Brownsburg distribution or tap results.

Your water at a glance

See the amount, the comparison and what it means. “Below” refers to the stated benchmark, not zero risk.

Hardness

Test needed

Not reported

No numeric result for this system

The report’s 317 ppm average belongs to the Citizens supplier table, not a Brownsburg-wide hardness test.

2025View source

Chlorine

Below 4 ppm report limit

1.0ppm

Brownsburg system average

2025View source

TTHMs

Below 80 ppb MCL

42ppb

Highest reported locational running annual average

Brownsburg table; highest site LRAA.

2024–2025View source

HAA5

Below 60 ppb MCL

20ppb

Highest reported locational running annual average

Brownsburg table; highest site LRAA.

2024–2025View source

Fluoride

Below 4 ppm MCL

0.693ppm

Brownsburg highest result

2023View source

Lead

Below the report’s 15 ppb action level

0ppb

90th percentile at sampled taps

Reported percentile 0 ppb; individual samples reached 4.2 ppb. This does not establish zero lead at your tap.

2022–2025View source

Copper

Below the report’s 1.3 ppm action level

1.1ppm

90th percentile at sampled taps

2 sampled sites exceeded the action level; percentile below the report’s 1.3 ppm action level.

2022–2025View source

Nitrate

Below 10 ppm report limit

2.23ppm

Brownsburg highest reported result

2025View source

Water hardness by provider

The figures below are provider-specific. They are not a countywide average.

UtilityHardnessHardness source
Brownsburg value not listed · test needed2025
View Full Water ReportOpen the measured results, dates, comparisons and original utility report.

The numbers behind your report

Selected results with the original sampling dates and measurement basis. Open the utility report for every parameter, notice and footnote.

Open the complete utility report ↗

What was measuredReported amountSample year / source dateHow to read it
HardnessNot reported No numeric result for this system2025View source ↗Test neededThe report’s 317 ppm average belongs to the Citizens supplier table, not a Brownsburg-wide hardness test.
Chlorine1.0 ppmBrownsburg system average2025View source ↗Below 4 ppm report limit
TTHMs42 ppbHighest reported locational running annual average2024–2025View source ↗Below 80 ppb MCLBrownsburg table; highest site LRAA.
HAA520 ppbHighest reported locational running annual average2024–2025View source ↗Below 60 ppb MCLBrownsburg table; highest site LRAA.
Fluoride0.693 ppmBrownsburg highest result2023View source ↗Below 4 ppm MCL
Lead0 ppb90th percentile at sampled taps2022–2025View source ↗Below the report’s 15 ppb action levelReported percentile 0 ppb; individual samples reached 4.2 ppb. This does not establish zero lead at your tap.
Copper1.1 ppm90th percentile at sampled taps2022–2025View source ↗Below the report’s 1.3 ppm action level2 sampled sites exceeded the action level; percentile below the report’s 1.3 ppm action level.
Nitrate2.23 ppmBrownsburg highest reported result2025View source ↗Below 10 ppm report limit

In drinking water, ppm ≈ mg/L, ppb ≈ µg/L and ppt ≈ ng/L. Calculated hardness in grains per US gallon (gpg) = mg/L as CaCO₃ ÷ 17.118, rounded to one decimal. ND means below the reporting limit, not zero.

MCL is an enforceable contaminant limit; MRDL is a disinfectant limit. A secondary guideline concerns aesthetics. TTHM/HAA5 compliance uses locational running annual averages; read the utility’s notices as well as individual results.

PFAS results are compound-specific. Source monitoring, entry-point samples and tap tests are different. A detected result does not identify every PFAS compound or establish the level at your home. Read the original report for context and current utility notices. EPA PFAS benchmarks and implementation ↗

Hardness source ↗USGS hardness classification ↗

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Source water. Brownsburg combines its groundwater supply with purchased surface water from Citizens Energy Group.

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More about your local water

What this means for your home

Brownsburg is one part of Hendricks County. Other town systems, purchased-water arrangements and private wells can require different source reports and treatment choices.

The Brownsburg report includes Citizens supplier data alongside Brownsburg’s own results. The 317 ppm supplier average is useful context, but it is not a measured Brownsburg-wide finished-water average. Test incoming hardness for final sizing.

Filter vs. softener: what each doesPlan installation with your plumber

A useful local question

Can I use Citizens’ hardness number as Brownsburg’s result?

The Brownsburg report includes Citizens supplier data alongside Brownsburg’s own results. The 317 ppm supplier average is useful context, but it is not a measured Brownsburg-wide finished-water average. Test incoming hardness for final sizing.

Sources and methodology

We keep each utility’s results separate, show the reported sample year, and distinguish averages, maxima and tap-sampling percentiles. Hardness classifications use USGS ranges. Missing data stays unknown.

Official utility reports

Confirm the exact system on your water bill. Choose Other / not sure when your supplier is not summarized here.

Sources reviewed November 10, 2026. Individual sampling dates are shown with each result.

Your water → your home → your system

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Choose the system size, keep useful existing equipment, and review your filtration goals.

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