Official EPA Water System Profile for San Antonio
| Water Utility Supplier | San Antonio Water System (SAWS) |
| EPA System ID (PWSID) | TX0150018 |
| Primary Water Source | Edwards Aquifer (Groundwater) |
| Population Served | 1,434,625 residents |
| EPA Compliance Status | Compliant / Active Monitoring |
Key Water Quality Factors in San Antonio
- High Calcium & Magnesium Hardness
- Fluoride
- Trace PFAS Chemicals
Recommended Treatment Systems for San Antonio
Based on San Antonio's 17.5 GPG hardness rating and chemical profile, these treatment systems offer optimal protection:
Best Overall Softener
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SpringWell SS Whole-House Salt-Based Water Softener
Hard Water Treatment • $1,350 - $1,890
Best For: Extremely Hard Water (> 7.0 GPG / 120 mg/L)
Best RO Drinking System
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Waterdrop G3P800 Tankless Reverse Osmosis System
Contaminant & PFAS Removal • $799 - $999
Best For: PFAS, Lead, Heavy Metals, Nitrates & High TDS Drinking Water
Best Lab Test Kit
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Tap Score / SimpleLab City Water Lab Verification Test
Water Verification • $149 - $299
Best For: Comprehensive EPA-Certified Laboratory Water Analysis