Hardness
Very Hard
248 PPM · 14.5 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 Madison County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
248 PPM · 14.5 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0013 mg/L
9% of action level
Utility match
1 system
Serves 24,340 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
248 PPM
Parts per million
248
mg/L as CaCO₃ equivalent
Grains per gallon
14.5
1 GPG ≈ 17.1 PPM
What this means at home
At 248 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
26
Nearest site
23.6 mi
Observation range
Aug 15, 2016–Jul 22, 2020
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 121M0060 RANKIN (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.
Ridgeland median
248 PPM
About the same1 indexed ZIP readings · Range 248–248 PPM
Mississippi median
66 PPM
182 PPM higher146 indexed ZIP readings · Range 11.8–2560 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)
0.0013 mg/L
Reported Dec 31, 2024
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0013
EPA limit 0.015
Measured in MG/L
Local 0.061
EPA limit 0.06
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | MS0450013 | Resolved | Jan 18, 2021through Jan 21, 2021 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.061 MG/L · MCL 0.06 | MS0450013 | Resolved | Jan 1, 2021through Mar 31, 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 Ridgeland ZIP 39157 using 248 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
248 PPM is 2× 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
Total Haloacetic Acids (HAA5) 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.
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 248 PPM, or 14.5 grains per gallon, classified as very hard. This is not a household tap measurement.
At 248 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.