Hardness
Moderately Hard
87.4 PPM · 5.1 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 Evangeline Parish.
At a glance
EPA quarter 2026Q2
Hardness
Moderately Hard
87.4 PPM · 5.1 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 6,590 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
87.4 PPM
Parts per million
87.4
mg/L as CaCO₃ equivalent
Grains per gallon
5.1
1 GPG ≈ 17.1 PPM
What this means at home
At 87.4 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
58
Nearest site
9.8 mi
Observation range
May 16, 2016–Jul 22, 2021
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Ev-5500Z (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.
Ville Platte median
87 PPM
About the same1 indexed ZIP readings · Range 87.4–87.4 PPM
Louisiana median
90 PPM
About the same102 indexed ZIP readings · Range 4.8–314 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, 2023
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 |
|---|---|---|---|
| Groundwater RuleHealth-based | LA1039010 | Unaddressed | Mar 30, 2026 |
| Groundwater RuleHealth-based | LA1039010 | Resolved | Nov 8, 2021through Jan 31, 2023 |
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 Ville Platte ZIP 70586 using 87.4 PPM nearby hardness and 1 reported measurement benchmarks.
Drinking water protection
Groundwater Rule 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.
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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 87.4 PPM, or 5.1 grains per gallon, classified as moderately hard. This is not a household tap measurement.
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.