Hardness
Very Hard
469.5 PPM · 27.5 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 Jackson County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
469.5 PPM · 27.5 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0011 mg/L
7% of action level
Utility match
1 system
Serves 120,000 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
469.5 PPM
Parts per million
469.5
mg/L as CaCO₃ equivalent
Grains per gallon
27.5
1 GPG ≈ 17.1 PPM
What this means at home
At 469.5 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
70
Nearest site
5 mi
Observation range
Jul 26, 2016–May 12, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: INDEPENDENCE 15A (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.
Independence median
470 PPM
About the same7 indexed ZIP readings · Range 456–483 PPM
Missouri median
236 PPM
234 PPM higher556 indexed ZIP readings · Range 38.3–483 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)
0.0011 mg/L
Reported Dec 31, 2025
Copper (CU90)
3.3 mg/L
Reported Dec 31, 2014
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0011
EPA limit 0.015
Measured in mg/L
Local 3.3
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Consumer Confidence Rule | MO1010399 | Resolved | Jul 1, 2024through Sep 11, 2024 |
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 Independence ZIP 64056 using 469.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
469.5 PPM is 4× 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 systemsDrinking water protection
Copper (90th percentile) has a measured benchmark flag or active health-based SDWIS record in this profile.
A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.
Explore under-sink filtrationAffiliate 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.
Nearby indexed reports
Estimates can differ across a city because monitoring locations and associated systems differ.
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 469.5 PPM, or 27.5 grains per gallon, classified as very hard. This is not a household tap measurement.
At 469.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.