Alexandria Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
groundwater
pH Level
7.6
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
238 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 Alexandria, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Alexandria | 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 Alexandria compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Alexandria, Louisiana | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Pineville, Louisiana | ≈ 0–60 mg/L | 0 ppt | 🟢 Soft | groundwater |
| Natchitoches, Louisiana | ≈ 0–60 mg/L | 3.1 ppt | 🟢 Soft | river |
| Eunice, Louisiana | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Opelousas, Louisiana | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
National Benchmark
How Alexandria compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Alexandria | ≈ 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 Alexandria's Water Unique?
Local geology and source profile
The City of Alexandria Water System serves Alexandria in Rapides Parish, Louisiana, providing municipal drinking water under annual quality reporting overseen by the Louisiana Department of Health. The water source is the Red River, within the Bayou Rapides and Boeuf watershed, managed by the City of Alexandria Public Works Water Division. The utility's 2024 Water Grade report (LA1079001) and Annual Water Quality Report confirm compliance with state standards. Specific treatment plant names and service boundary details were not available in the source data.
Alexandria's water supply is shaped by the geology of the central Louisiana Red River Valley in Rapides Parish, within the Cretaceous–Tertiary Gulf Coastal Plain. Cenozoic sedimentary formations — including Miocene and Pliocene sands, clays, and calcareous sediments — overlie the region, and parts of the area intersect the Carrizo-Wilcox Aquifer zone. Limestone and calcareous formations contribute some dissolved minerals, but the Red River alluvial plain yields a moderately soft supply overall due to relatively limited carbonate dissolution.
As a moderately soft supply, Alexandria water causes moderate scale buildup in pipes and fixtures, with water heaters, dishwashers, and washing machines most affected by gradual efficiency reduction. Soap lathering may be slightly less effective, and skin or hair can feel drier with extended use. Regular descaling and vinegar rinses are advised. A water softener is sometimes recommended for households experiencing noticeable scale effects. The 2024 Louisiana Department of Health Water Grade report (LA1079001) confirms compliance with state drinking water standards, with no major violations noted.
Geology & Source: Red River (Bayou Rapides and Boeuf watershed); Cretaceous–Tertiary Gulf Coastal Plain calcareous sediments and Red River alluvial plain — moderately soft supply reflecting low-mineral Coastal Plain formations in Rapides Parish
Other Louisiana Water Reports
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Frequently Asked Questions
Is Alexandria's water safe to drink?
Do I need a water softener in Alexandria?
How does Alexandria compare to the USA average?
Data Sources & Methodology
Water quality data for Alexandria 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.