Hardness
Soft
29.7 PPM · 1.7 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 Marion County.
At a glance
EPA quarter 2026Q2
Hardness
Soft
29.7 PPM · 1.7 GPG
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
0 mg/L
0% of action level
Utility match
1 system
Serves 1,590 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
29.7 PPM
Parts per million
29.7
mg/L as CaCO₃ equivalent
Grains per gallon
1.7
1 GPG ≈ 17.1 PPM
What this means at home
At 29.7 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
27
Nearest site
15 mi
Observation range
Jul 10, 2019–Jun 28, 2022
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Well NAWQA FLH 16 Fayette County Al (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.
Brilliant median
30 PPM
About the same1 indexed ZIP readings · Range 29.7–29.7 PPM
Alabama median
38 PPM
8 PPM lower406 indexed ZIP readings · Range 7.4–2810 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 mg/L
Reported Dec 31, 2026
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
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONSHealth-based | AL0000921 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | AL0000921 | Unaddressed | Oct 17, 2024 |
| Public Notice | AL0000921 | Resolved | Oct 1, 2024through Jun 26, 2024 |
| Lead and Copper Rule | AL0000921 | Resolved | Jan 1, 2021through Aug 14, 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 Brilliant ZIP 35548 using 29.7 PPM nearby hardness and 1 reported measurement benchmarks.
Drinking water protection
LEAD AND COPPER RULE REVISIONS 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 reports 1 active health-based violation among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
Nearby USGS observations produce an estimate of 29.7 PPM, or 1.7 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.