Apex, North Carolina Water Quality Report
Water quality data for 5 water systems serving 82,585 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 11.3 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 113% | Above guideline |
| PFBA | 0.009 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.004 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.004 | 0.010 ug/L | 0.001 ug/L(EWG) | 35% | Within limit |
| PFPeA | 0.008 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Apex, North Carolina.
Get Water Quality Alerts
Be the first to know when water quality changes in Apex.
Compliance & Violations
Active Violations (21)
75
Dec 5, 2024
75
Dec 5, 2024
75
Jul 12, 2024
75
Jul 12, 2024
34
Apr 8, 2024
4B
Apr 1, 2024
4B
Apr 1, 2024
4B
Apr 1, 2024
4B
Apr 1, 2024
4B
Feb 1, 2024
4B
Feb 1, 2024
4B
Feb 1, 2024
4B
Feb 1, 2024
66
Jan 1, 2024
66
Jan 1, 2024
52
Oct 1, 2023
52
Oct 1, 2023
52
Oct 1, 2023
52
Oct 1, 2023
66
Jan 1, 2022
66
Jan 1, 2022
Resolved Violations (479)
71
Jul 1, 2025
75
Feb 6, 2025
3A
Feb 1, 2025 — Feb 28, 2025
27
Feb 1, 2025 — Feb 28, 2025
27
Feb 1, 2025 — Feb 28, 2025
+ 474 more resolved violations
Frequently Asked Questions
Is Apex tap water safe to drink?
Apex's water meets all EPA maximum contaminant levels. However, 6 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Apex tap water?
6 contaminants have been detected in Apex's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Apex?
Install a water filter rated for the specific contaminants found in Apex's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Apex have any water quality violations?
Yes, Apex currently has 133 active violations. See the violations section above for details.