Brunswick Water Hardness & Quality Report (2026)
Water Hardness
12.3 grains per gallon
Source
groundwater
pH Level
7.3
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
86 mg/L
Est. Daily Cost
$0.56
energy & soap waste
Source: See methodology section below · 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 Brunswick, your appliances are currently losing 28% efficiency due to mineral buildup.
| Appliance | In Brunswick | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 2.7 yrs | 8.5 yrs | -68% |
| Washing Machine | 5.8 yrs | 12 yrs | -52% |
| Water Heater | 7.2 yrs | 15 yrs | -52% |
Regional Water Comparison
How Brunswick compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Brunswick, Georgia | 210 mg/L | 0 ppt | 🔴 Very Hard | groundwater |
| Saint Simon Mills, Georgia | ≈ 120–179 mg/L | 3.8 ppt | 🟠 Hard | reservoir |
| Saint Simons Island, Georgia | ≈ 120–179 mg/L | 3.8 ppt | 🟠 Hard | groundwater |
| Kingsland, Georgia | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| St. Marys, Georgia | ≈ 180+ mg/L | 0 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Brunswick compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Brunswick | 210 mg/L | 🔴 High |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Brunswick's Water Unique?
Local geology and source profile
The Brunswick–Glynn County Joint Water & Sewer Commission (BGJWSC) provides water to Brunswick, Georgia, and surrounding areas in Glynn County. This utility draws its supply from multiple groundwater wells that tap into the Upper Floridan aquifer. After treatment to meet state and federal regulations, this groundwater is delivered directly to customers. The BGJWSC's administrative offices are located at 1703 Gloucester Street, Brunswick, GA 31520, and they can be reached at 912-261-7100.
The water originates from the Upper Floridan aquifer, a geologic formation dating back to the Paleocene–Eocene epochs. This aquifer is primarily composed of limestone and dolomite, which are rich in calcium and magnesium carbonates. As groundwater moves through these mineral-laden strata, it dissolves these compounds, resulting in the naturally very hard water characteristic of this region and the broader Atlantic Coastal Plain hydrogeology.
Homeowners in Brunswick often notice significant scale buildup in appliances like water heaters and kettles, and reduced lathering from soaps and detergents. Your plumbing and fixtures may also require more frequent maintenance due to mineral deposits. Appliances such as dishwashers and washing machines can be particularly affected. Installing a whole-house water softener is a good idea if you want to reduce these issues and help your appliances last longer. The BGJWSC reports that its water consistently meets or surpasses all EPA and Georgia EPD standards, with no lead or copper detected.
Geology & Source: Upper Floridan aquifer; Paleocene–Eocene limestone and dolomite produce very hard water
Other Georgia Water Reports
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Frequently Asked Questions
Is Brunswick's water safe to drink?
Do I need a water softener in Brunswick?
How does Brunswick compare to the USA average?
Data Sources & Methodology
Water quality data for Brunswick is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
Water Hardness
Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
TDS — Total Dissolved Solids
Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.
PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances
EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.
Lead
Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.
Appliance Lifespan
Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.