Hardness
Hard
137.5 PPM · 8 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 Barbour County.
At a glance
EPA quarter 2026Q2
Hardness
Hard
137.5 PPM · 8 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0 mg/L
0% of action level
Utility match
3 systems
Serves 2,064 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
137.5 PPM
Parts per million
137.5
mg/L as CaCO₃ equivalent
Grains per gallon
8
1 GPG ≈ 17.1 PPM
What this means at home
At 137.5 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
30
Nearest site
31.5 mi
Observation range
Jun 24, 2019–Dec 15, 2025
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Well NAWQA FLH 23 Bullock 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.
Clayton median
138 PPM
About the same1 indexed ZIP readings · Range 137.5–137.5 PPM
Alabama median
38 PPM
100 PPM higher406 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)
1.81 mg/L
Reported Jun 30, 2021
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0
EPA limit 0.015
Measured in mg/L
Local 1.81
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | AL0000116 | Resolved | Dec 1, 2024through Dec 31, 2024 |
| Revised Total Coliform Rule | AL0000116 | Resolved | Nov 1, 2024through Nov 30, 2024 |
| Public Notice | AL0000116 | Resolved | Oct 1, 2024through Nov 20, 2024 |
| Revised Total Coliform Rule | AL0000116 | Resolved | Jun 1, 2024through Jun 30, 2024 |
| Revised Total Coliform Rule | AL0000116 | Resolved | Dec 1, 2023through Dec 31, 2023 |
| Lead and Copper Rule | AL0000082 | Resolved | Jul 1, 2023through Dec 9, 2024 |
| Revised Total Coliform Rule | AL0000116 | Resolved | Dec 11, 2022through Dec 27, 2022 |
| Public Notice | AL0000116 | Resolved | May 11, 2022through Jun 28, 2022 |
| Revised Total Coliform Rule | AL0000087 | Resolved | Apr 11, 2022through Apr 11, 2022 |
| Revised Total Coliform Rule | AL0000116 | Resolved | Apr 11, 2022through Apr 11, 2022 |
| Groundwater Rule | AL0000116 | Resolved | Sep 1, 2021through Sep 30, 2021 |
| Lead and Copper Rule | AL0000082 | Resolved | Jul 1, 2021through Nov 24, 2021 |
| Revised Total Coliform Rule | AL0000116 | Resolved | Apr 1, 2021through Apr 30, 2021 |
| Lead and Copper Rule | AL0000116 | Resolved | Jan 1, 2021through Oct 10, 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 Clayton ZIP 36016 using 137.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
137.5 PPM is 1× 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.
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 137.5 PPM, or 8 grains per gallon, classified as hard. This is not a household tap measurement.
At 137.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.