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Local water dashboard

Official source aggregation

Water quality in D'Iberville, MS 39540

A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Harrison County.

No active health-based violation reported
Primary matched system
City Of Biloxi-Magnolia Bend
Source water
Groundwater
County
Harrison County
Profile updated

At a glance

What the current records say

Hardness

Very Hard

2040 PPM · 119.3 GPG

Compliance screen

No active flag

0 active health-based records

Lead 90th percentile

0.0012 mg/L

8% of action level

Utility match

1 system

Serves 73 people system-wide

Hardness meter

How hard is the water?

Very Hard

Estimated local hardness

USGS hardness classification scale

2040 PPM

Soft
0–59
Moderate
60–120
Hard
121–180
Very hard
181+

Parts per million

2040

mg/L as CaCO₃ equivalent

Grains per gallon

119.3

1 GPG ≈ 17.1 PPM

What this means at home

At 2040 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

23

Nearest site

3.4 mi

Observation range

Jan 5, 2016–Dec 7, 2021

Estimate confidence

Moderate

Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: DWH GOM OIL SPILL-BILOXI BEACH, MS (Coastal).USGS source documentation ↗

Regional context

Is 39540 typical?

These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.

D'Iberville median

2040 PPM

About the same

1 indexed ZIP readings · Range 2040–2040 PPM

Mississippi median

66 PPM

1974 PPM higher

146 indexed ZIP readings · Range 11.8–2560 PPM

EPA benchmark screen

Contaminant snapshot

Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.

1 pass

Lead (PB90)

0.0012 mg/L

Reported Jun 30, 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.

Lead (90th percentile)

Measured in mg/L

Pass

Local 0.0012

EPA limit 0.015

Local level is 8% of the listed EPA limit.

Share of EPA benchmark

100% line = listed limit

EPA SDWIS compliance

Reported violation history

Open EPA source documentation ↗
2026Q2
All records
0
Health-based
0
Active health-based
0

No violation record was returned for the associated systems in the imported lookback window beginning Jan 1, 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

Your personalized water action plan

Matched to D'Iberville ZIP 39540 using 2040 PPM nearby hardness and 1 reported measurement benchmarks.

1 match

Scale protection

High-Capacity Whole House Water Softener

2040 PPM is 17× 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 systems

Affiliate 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

Water questions for D'Iberville

Is tap water safe in D'Iberville?+

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.

How hard is the water?+

Nearby USGS observations produce an estimate of 2040 PPM, or 119.3 grains per gallon, classified as very hard. This is not a household tap measurement.

Do I need a water softener?+

At 2040 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.