Hardness
Very Hard
340 PPM · 19.9 GPG
Local water dashboard
Official source aggregationA source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Montgomery County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
340 PPM · 19.9 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0014 mg/L
9% of action level
Utility match
1 system
Serves 765 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
340 PPM
Parts per million
340
mg/L as CaCO₃ equivalent
Grains per gallon
19.9
1 GPG ≈ 17.1 PPM
What this means at home
At 340 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.
USGS sites used
20
Nearest site
13.9 mi
Observation range
Mar 30, 2016–Sep 10, 2025
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: NAWQA AG WELL TP15 AT MORTON, IN (Well).USGS source documentation ↗
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
New Market median
340 PPM
About the same1 indexed ZIP readings · Range 340–340 PPM
Indiana median
313 PPM
27 PPM higher472 indexed ZIP readings · Range 132–371 PPM
EPA benchmark screen
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
Lead (PB90)
0.0014 mg/L
Reported Dec 31, 2024
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0014
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | IN5254008 | Unaddressed | Dec 2, 2025 |
| Long Term 2 Enhanced Surface Water Treatment RuleHealth-based | IN5254008 | Resolved | Sep 24, 2025through Dec 3, 2025 |
| LEAD AND COPPER RULE REVISIONS | IN5254008 | Unaddressed | Jul 2, 2025 |
| Public Notice | IN5254008 | Unaddressed | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | IN5254008 | Resolved | Oct 17, 2024through Nov 26, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | IN5254008 | Resolved | Oct 17, 2024through Nov 26, 2024 |
| Revised Total Coliform Rule | IN5254008 | Resolved | Jan 1, 2022through Jan 31, 2022 |
| Consumer Confidence Rule | IN5254008 | Resolved | Jul 1, 2021through Dec 5, 2022 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Matched to New Market ZIP 47965 using 340 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
340 PPM is 3× the high-hardness trigger used by this matcher.
Designed to reduce scale on fixtures, water heaters, glassware, and plumbing throughout the home.
Compare whole-house systemsAffiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.
Frequently asked
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
Nearby USGS observations produce an estimate of 340 PPM, or 19.9 grains per gallon, classified as very hard. This is not a household tap measurement.
At 340 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.