EWG Tap Water Database
Apex water quality
- Source
- Jordan Lake (Cary system)
- Hardness
- 7–9 GPG
- Disinfected with
- chlorine
What's in Apex tap water
| Contaminant | Detected | Health guideline | Legal limit | Over guideline |
|---|---|---|---|---|
| Haloacetic Acids (HAA9) Disinfection ByproductNine chlorination byproducts with no federal limit; linked to cancer and reproductive harm. | 24.1 ppb | 0.06 ppb | No legal limit | 402× |
| Total Trihalomethanes Disinfection ByproductLinked to bladder cancer and reproductive harm. | 35.8 ppb | 0.15 ppb | 80 ppb | 239× |
| Dibromochloromethane Disinfection ByproductTrihalomethane byproduct linked to liver and kidney damage and potential cancer risk. | 4.20 ppb | 0.4 ppb | No legal limit | 11× |
| PFOA (Forever Chemical) PFASLinked to kidney cancer, thyroid disease, and cardiovascular harm; does not break down. | 2.10 ppt | 0.09 ppt | 4 ppt (proposed) | 23× |
| Chromium (Hexavalent) Heavy MetalThe Erin Brockovich chemical — a known carcinogen with no federal legal limit. | 0.43 ppb | 0.02 ppb | No federal limit | 22× |
Figures from the EWG Tap Water Database.
Honest Water in Apex
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Apex water questions
- Is Apex water hard?
- Apex water runs about 7–9 GPG. That is hard enough to leave scale on fixtures, spot glassware, and shorten the life of water heaters and dishwashers.
- What is Apex water treated with?
- Apex's supply comes from Jordan Lake (Cary system) and is disinfected with chlorine. Free chlorine is comparatively easy to remove with quality carbon filtration.
- Where do these Apex water figures come from?
- The EWG Tap Water Database, which compiles the utility's own state-reported testing results.
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