Raymondville Water Hardness & Quality Report (2026)
Water Hardness
7.2 grains per gallon
Source
mixed
pH Level
7.7
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
267.4 mg/L
Est. Daily Cost
$0.33
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 Raymondville, your appliances are currently losing 16% efficiency due to mineral buildup.
| Appliance | In Raymondville | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.5 yrs | 8.5 yrs | -35% |
| Washing Machine | 9 yrs | 12 yrs | -25% |
| Water Heater | 10.7 yrs | 15 yrs | -29% |
Regional Water Comparison
How Raymondville compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Raymondville, Texas | 123 mg/L | 5.7 ppt | 🟠 Hard | mixed |
| Harlingen, Texas | 171 mg/L | 6.7 ppt | 🟠 Hard | mixed |
| Mercedes, Texas | 402.5 mg/L | 11.6 ppt | 🔴 Very Hard | mixed |
| San Benito, Texas | 411 mg/L | 11.8 ppt | 🔴 Very Hard | mixed |
| Weslaco, Texas | 247 mg/L | 8.3 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Raymondville compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Raymondville | 123 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Raymondville's Water Unique?
Local geology and source profile
Raymondville, Texas, in Willacy County — the Willacy County seat adjacent to Lyford and Sebastian in the lower Rio Grande Valley of south Texas — receives its water from the City of Raymondville Water Department or Willacy County Water Control, drawing from the Rio Grande Valley supply through the south Texas distribution.
The moderately hard 123 mg/L hardness and TDS of 267.4 mg/L reflect the Willacy County Rio Grande supply's moderate calcareous character — the Cretaceous Austin Chalk and Quaternary Rio Grande alluvium contribute calcareous mineral content from the arid-to-semi-arid lower Rio Grande Valley geology (compare Lyford TX: 121/261 in Willacy County comparable; Sebastian TX: 125/273 in Willacy County comparable; Raymondville consistent moderate from the same Willacy County Rio Grande Cretaceous calcareous supply). The Rio Grande Valley supply — Cretaceous Austin Chalk (calcareous — primary hardness contributor), Quaternary Rio Grande alluvium (calcareous — secondary contributor), and Quaternary Gulf Coastal plain sediment (slightly calcareous — minor TDS).
At 123 mg/L with TDS 267, Raymondville's water is moderately hard — mild scale buildup. Semi-annual descaling is appropriate. The PFAS level of 5.7 ppt is moderate — a certified drinking water filter provides added protection. Review the City of Raymondville's annual water quality report.
Geology & Source: Raymondville in Willacy County draws from the Willacy County Water on the Rio Grande supply (Willacy County, south Texas) — the Rio Grande at Willacy County drains Cretaceous Austin Chalk (calcareous) and Quaternary Rio Grande alluvium (calcareous) — Texas Willacy County Rio Grande Cretaceous calcareous supply produces moderately hard water at 123 mg/L with TDS 267.4 mg/L.