What to Test For in La Mesa Wells
The geology in La Mesa — granite bedrock with limited alluvial cover — directly determines what contaminants you're likely to find in your well water.
Common Contaminants in La Mesa
Based on local geology and decades of testing La Mesa wells, here's what we typically find:
- Water hardness: 8-14 grains — this causes scale buildup on fixtures, water heaters, and appliances
- Total Dissolved Solids (TDS): 350-650 ppm — affects taste and can indicate other contaminants
- Specific to granite bedrock with limited alluvial cover: moderate hardness (8-14 grains), mostly on municipal water
Why La Mesa Water Has These Issues
Suburban city east of San Diego. Almost entirely on municipal water via Helix Water District. Very few private wells remain - mainly older estates on Mount Helix. Limited SCWS work here.
This geological context explains why La Mesa wells commonly show: moderate hardness (8-14 grains), mostly on municipal water.
Neighborhood-Specific Concerns
- Lake Murray area: moderate hardness (8-14 grains), mostly on municipal water
- Mount Helix: moderate hardness (8-14 grains), mostly on municipal water
- Grossmont: moderate hardness (8-14 grains), mostly on municipal water
- La Mesa Village: moderate hardness (8-14 grains), mostly on municipal water
Our La Mesa Water Testing Process
- Sample collection: We come to your La Mesa property and collect samples from the well
- Laboratory analysis: Certified lab tests for bacteria, minerals, metals, and contaminants
- Results interpretation: We explain what the numbers mean for your specific property
- Treatment recommendations: Based on your water quality, we recommend filtration, softening, or other treatment
Recommended Tests for La Mesa Wells
- Basic test: Bacteria, nitrates, pH, hardness, TDS
- Mineral panel: Iron, manganese, sulfate (critical for granite bedrock with limited alluvial cover)
- Extended panel: Arsenic, uranium, radon (if applicable to your neighborhood)
When to Test Your La Mesa Well
- Buying or selling a home in Lake Murray area, Mount Helix, Grossmont, La Mesa Village, College area
- Annual testing (recommended for all La Mesa wells)
- After pump repair or well service
- If you notice taste, odor, or staining issues
- After heavy rains or drought (affects granite bedrock with limited alluvial cover aquifers)
Schedule water testing in La Mesa
Call (760) 440-8520 or request service online.