Atlantic City Water Hardness & Quality Report (2026)
Water Hardness
5.8 grains per gallon
Source
reservoir
pH Level
7.7
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
202.2 mg/L
Est. Daily Cost
$0.27
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 Atlantic City, your appliances are currently losing 13% efficiency due to mineral buildup.
| Appliance | In Atlantic City | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.3 yrs | 8.5 yrs | -26% |
| Washing Machine | 9.9 yrs | 12 yrs | -17% |
| Water Heater | 11.6 yrs | 15 yrs | -23% |
Regional Water Comparison
How Atlantic City compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Atlantic City, New Jersey | 100 mg/L | 8.6 ppt | 🟡 Moderately Hard | reservoir |
| Pleasantville, New Jersey | 130.5 mg/L | 10.3 ppt | 🟠 Hard | reservoir |
| Ocean Acres, New Jersey | 113 mg/L | 9.3 ppt | 🟡 Moderately Hard | reservoir |
| Hammonton, New Jersey | 42 mg/L | 5.3 ppt | 🟢 Soft | reservoir |
| Jackson, New Jersey | 60 mg/L | 6.3 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Atlantic City compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Atlantic City | 100 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Atlantic City's Water Unique?
Local geology and source profile
Atlantic City, New Jersey, in Atlantic County — the iconic American resort city, the 'Playground of the World' (Atlantic City's historic nickname), America's original seaside resort destination (the first Boardwalk opened in 1870), a major casino gaming and entertainment center (Atlantic City was one of only two legal casino gaming destinations in the US from 1978–1988), home of the Miss America Pageant (held in Atlantic City from 1921–2005), a historic New Jersey shore destination, and a diverse Atlantic County community with significant African-American and Asian-American populations — draws its municipal water supply from the 800-Foot Sand Aquifer via the Atlantic City Water Authority. Water hardness in Atlantic City measures 100 mg/L — classified as moderately soft.
Atlantic City's moderate softness reflects the Atlantic County Coastal Plain aquifer's calcareous-poor quartz sand geology. The 800-Foot Sand Aquifer at Atlantic City draws from: the Miocene Kirkwood Formation (calcareous-poor quartz-dominated coastal sand aquifer of the New Jersey Coastal Plain); the Cohansey Sand (calcareous-poor quartz sand). Despite the coastal barrier island location, Atlantic City's deep sand aquifer produces moderately soft water. The Atlantic City Water Authority treatment of the calcareous-poor Coastal Plain sand produces the moderate 100 mg/L.
With hardness at 100 mg/L, Atlantic City residents enjoy moderately soft water. Atlantic City Water Authority consistently delivers water meeting all New Jersey DEP and EPA Safe Drinking Water Act requirements.
Geology & Source: Groundwater from the Atlantic City 800-Foot Sand Aquifer (Cohansey Sand and Kirkwood Formation) via the Atlantic City Water Authority — the Atlantic County southeast New Jersey Coastal Plain barrier island (Miocene Kirkwood Formation calcareous-poor quartz sand and Pleistocene Holly Beach Sand — calcareous-poor Coastal Plain sand aquifer); moderately soft supply at 100 mg/L in Atlantic County.