Lumberton Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
groundwater
pH Level
7.8
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
225 mg/L
Est. Daily Cost
$0.40
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 Lumberton, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Lumberton | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.8 yrs | 8.5 yrs | -20% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How Lumberton compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Lumberton, North Carolina | ≈ 120–179 mg/L | 416.4 ppt | 🟠 Hard | groundwater |
| Hope Mills, North Carolina | ≈ 0–60 mg/L | 5.2 ppt | 🟢 Soft | groundwater |
| Fayetteville, North Carolina | ≈ 0–60 mg/L | 509.4 ppt | 🟢 Soft | river |
| Laurinburg, North Carolina | ≈ 0–60 mg/L | 0 ppt | 🟢 Soft | groundwater |
| Fort Bragg, North Carolina | ≈ 120–179 mg/L | 198.3 ppt | 🟠 Hard | reservoir |
National Benchmark
How Lumberton compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Lumberton | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Lumberton's Water Unique?
Local geology and source profile
The City of Lumberton Public Works Department operates the water utility serving approximately 24,116 residents in Robeson County, North Carolina. Water is drawn from the Lumber River at an intake near USGS monitoring site 02134138 and treated at the city's water treatment plant using hypochlorite disinfection. The utility can be contacted at 910-671-3485, 176 Legend Rd., Lumberton, NC 28358; the Environmental Laboratory at 910-671-3858 handles lead testing inquiries. The 2025 Consumer Confidence Report is available via the city's website for full details on annual water quality findings.
The Lumber River watershed spans the Sandhills and Coastal Plain regions, draining into the Pee Dee River system. Underlying geology consists of Tertiary and Quaternary sediments — including Black Creek Formation sands and gravels — with upstream influences from Triassic diabase and Paleozoic metamorphics in the Piedmont. The river's path through limestone-bearing terrains and organic-rich floodplains contributes dissolved calcium and magnesium, yielding a moderately mineralised supply influenced by both alluvial mineral contact and minor carbonate dissolution.
Moderately hard water leads to moderate scale buildup in appliances such as dishwashers, washing machines, and water heaters, reducing efficiency and increasing energy costs over time. Faucets and fixtures may develop visible deposits, requiring periodic cleaning with vinegar solutions. A water softener is recommended for households experiencing these effects to extend appliance life and improve soap efficiency, though not essential for all users. Water quality meets EPA Maximum Contaminant Level Goals overall, with 11 contaminants detected per aggregators, all within health guidelines; past MCL violations have been noted in aggregated records.
Geology & Source: Lumber River Coastal Plain watershed — Quaternary and Tertiary sands, clays, and gravels from the Black Creek and Peedee Formations; carbonate dissolution and alluvial mineral contact produce moderately hard water
Other North Carolina Water Reports
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Frequently Asked Questions
Is Lumberton's water safe to drink?
Do I need a water softener in Lumberton?
How does Lumberton compare to the USA average?
Data Sources & Methodology
Water quality data for Lumberton 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.