Long Beach Water Hardness & Quality Report (2026)
Water Hardness
7.3 grains per gallon
Source
groundwater
pH Level
7.9
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
377.3 mg/L
Est. Daily Cost
$0.33
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Long Beach, your appliances are currently losing 17% efficiency due to mineral buildup.
| Appliance | In Long Beach | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.5 yrs | 8.5 yrs | -35% |
| Washing Machine | 9 yrs | 12 yrs | -25% |
| Water Heater | 10.6 yrs | 15 yrs | -29% |
Regional Water Comparison
How Long Beach compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Long Beach, Mississippi | 125.5 mg/L | 6.3 ppt | 🟠 Hard | groundwater |
| Gulfport, Mississippi | 113 mg/L | 5.9 ppt | 🟡 Moderately Hard | groundwater |
| West Gulfport, Mississippi | 50 mg/L | 3.5 ppt | 🟢 Soft | groundwater |
| Biloxi, Mississippi | 120 mg/L | 6.1 ppt | 🟠 Hard | groundwater |
| Ocean Springs, Mississippi | 140 mg/L | 6.9 ppt | 🟠 Hard | groundwater |
National Benchmark
How Long Beach compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Long Beach | 125.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Long Beach's Water Unique?
Local geology and source profile
Long Beach, Mississippi, in Harrison County — a Harrison County city adjacent to Gulfport and Pass Christian on the Mississippi Gulf Coast — receives its municipal water from the Long Beach Water Division, drawing from the Gulf Coast Aquifer (Harrison County, south Mississippi) through the Mississippi Gulf Coast water treatment system.
The moderately hard 125.5 mg/L hardness and TDS of 377.3 mg/L (elevated TDS relative to hardness — suggesting additional sulfate or chloride mineral loading from Gulf Coast coastal aquifer salinity) reflect the south Mississippi Gulf Coast Aquifer's moderate calcareous and mineralized character. The Gulf Coast Aquifer at Harrison County is developed in Miocene Pascagoula Formation (calcareous — primary hardness contributor), Oligocene Chickasawhay Limestone (calcareous), and Miocene Hattiesburg Formation (slightly calcareous, TDS contributor). The moderately calcareous Miocene and Oligocene Gulf Coast formations produce the moderately hard Mississippi Gulf Coast supply.
At 125.5 mg/L, Long Beach's water is moderately hard — scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and faucet aerators need periodic cleaning. Quarterly descaling is appropriate. The PFAS level of 6.3 ppt warrants a certified drinking water filter — the Harrison County Mississippi Gulf Coast military corridor (Keesler Air Force Base — Biloxi, AFFF, the dominant Gulf Coast Mississippi PFAS source) and the Mississippi Coast industrial PFAS complex contribute to Long Beach's readings.
Geology & Source: Long Beach in Harrison County draws from the Long Beach Water Division on the Mississippi Gulf Coast Aquifer (Harrison County, south Mississippi) — the Gulf Coast Aquifer at Harrison County is developed in Miocene Pascagoula Formation (calcareous) and Oligocene Chickasawhay Limestone (calcareous) — Mississippi Harrison County Gulf Coast Aquifer Miocene-Oligocene calcareous system produces moderately hard water at 125.5 mg/L with TDS 377.3 mg/L.