Hardness
Soft
17.3 PPM · 1 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 Ouachita County.
At a glance
EPA quarter 2026Q2
Hardness
Soft
17.3 PPM · 1 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.018 mg/L
120% of action level
Utility match
1 system
Serves 2,511 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
17.3 PPM
Parts per million
17.3
mg/L as CaCO₃ equivalent
Grains per gallon
1
1 GPG ≈ 17.1 PPM
What this means at home
At 17.3 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
37
Nearest site
23 mi
Observation range
Aug 23, 2016–Jul 25, 2025
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 12S19W13BBC1 (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.
Bearden median
17 PPM
About the same1 indexed ZIP readings · Range 17.3–17.3 PPM
Arkansas median
71 PPM
54 PPM lower210 indexed ZIP readings · Range 4.8–283 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)
0.018 mg/L
Reported Dec 31, 2016
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 0.018
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | AR0000401 | Resolved | Aug 1, 2025through Aug 31, 2025 |
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 Bearden ZIP 71720 using 17.3 PPM nearby hardness and 1 reported measurement benchmarks.
Drinking water protection
Lead (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 17.3 PPM, or 1 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.