Hardness
Soft
51.8 PPM · 3 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 New Madrid County.
At a glance
EPA quarter 2026Q2
Hardness
Soft
51.8 PPM · 3 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0059 mg/L
39% of action level
Utility match
1 system
Serves 780 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
51.8 PPM
Parts per million
51.8
mg/L as CaCO₃ equivalent
Grains per gallon
3
1 GPG ≈ 17.1 PPM
What this means at home
At 51.8 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
51
Nearest site
15.7 mi
Observation range
Mar 1, 2016–Jul 9, 2024
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: T18N R12E 04 BBD (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.
Gideon median
52 PPM
About the same1 indexed ZIP readings · Range 51.8–51.8 PPM
Missouri median
236 PPM
184 PPM lower556 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)
0.0059 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 0.0059
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | MO4010304 | Unaddressed | Jul 2, 2025 |
| Revised Total Coliform Rule | MO4010304 | Resolved | Feb 1, 2021through Feb 28, 2021 |
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 Gideon ZIP 63848 using 51.8 PPM nearby hardness and 1 reported measurement benchmarks.
No urgent match
This profile does not trigger a treatment recommendation. Test at the tap before investing in equipment.
Affiliate 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 51.8 PPM, or 3 grains per gallon, classified as soft. This is not a household tap measurement.
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.