Raymondville Water Hardness & Quality Report (2026)
Water Hardness
180+ mg/L
Very Hardestimated · not lab-verified
Source
reservoir
pH Level
7.7
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
267.4 mg/L
Est. Daily Cost
$0.91
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 Raymondville, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Raymondville | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.7 yrs | 8.5 yrs | -45% |
| Washing Machine | 6.6 yrs | 12 yrs | -45% |
| Water Heater | 8.3 yrs | 15 yrs | -45% |
Regional Water Comparison
How Raymondville compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Raymondville, Texas | ≈ 180+ mg/L | 5.9 ppt | 🔴 Very Hard | reservoir |
| Harlingen, Texas | 288 mg/L | 45.5 ppt | 🔴 Very Hard | reservoir |
| Mercedes, Texas | ≈ 120–179 mg/L | 3.3 ppt | 🟠 Hard | reservoir |
| San Benito, Texas | ≈ 180+ mg/L | 146 ppt | 🔴 Very Hard | reservoir |
| Weslaco, Texas | ≈ 120–179 mg/L | 82.4 ppt | 🟠 Hard | reservoir |
National Benchmark
How Raymondville compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Raymondville | ≈ 180+ mg/L | 🔴 High |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Raymondville's Water Unique?
Local geology and source profile
The City of Raymondville manages the public water system for residents of Raymondville, Texas, in Willacy County. This system draws its supply from surface water, likely connected to the Rio Grande watershed or coastal reservoirs within the Gulf Coastal Plain. These waters are processed at a conventional filtration plant capable of treating 2.5 million gallons daily, a capacity that is consistently used at about 95%. The utility employs a combination of disinfectants, including chloramines, chlorine dioxide, and hypochlorite, to ensure water safety. For inquiries or service, you can reach the City of Raymondville at 956-689-2443 or visit their office at 142 S 7th St, Raymondville, TX 78580.
The water's journey begins in the Gulf Coastal Plain, where surface waters encounter Cenozoic sedimentary formations like the Anahuac and Jackson Groups. These geological layers, composed of calcareous sandstones, limestones, and clays, are rich in minerals. As water flows through rivers, reservoirs, and shallow aquifers, it dissolves significant amounts of calcium and magnesium from these rock formations, resulting in naturally hard water. The underlying limestone-rich soils characteristic of South Texas further contribute to this elevated mineral content.
Homeowners in Raymondville will likely notice the effects of this very hard water through scale buildup in pipes, water heaters, dishwashers, and washing machines. This buildup not only reduces the efficiency and lifespan of these appliances but also drives up energy costs. You might also find soap scum in showers and laundry appearing less than fresh. Regular descaling with vinegar, adjusting water heater temperatures, and checking fixtures can help manage these issues. Given the water's hardness, installing a whole-home water softener is strongly advised to protect your appliances and improve daily tasks. The 2026 water quality report also indicated that 3-15 contaminants exceeded EPA health-based guidelines, suggesting that filters are a good idea.
Geology & Source: Gulf Coastal Plain Cenozoic sedimentary layers; calcareous sandstones, limestones, and clays contribute to hardness
Other Texas Water Reports
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Frequently Asked Questions
Is Raymondville's water safe to drink?
Do I need a water softener in Raymondville?
How does Raymondville compare to the USA average?
Data Sources & Methodology
Water quality data for Raymondville 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.