Fulton County water (North Fulton system) Water Quality: What the EPA Records Show
Fulton County water (North Fulton system), which serves about 434,517 people in north Fulton County (Alpharetta, Roswell, Johns Creek), Georgia, reported no PFAS above reporting limits in the EPA’s UCMR5 monitoring (2023-2025). Non-detect means not found above the EPA’s reporting floor in that round — not that the water was never tested again. Its most recent EPA-record lead 90th-percentile was 1.6 ppb — under the current 15 ppb action level. The system has 1 health-based violation on its federal SDWA record.
See the full interactive report for this system — every PFAS analyte, lead and copper rounds, violations, and the filter that handles what was found: open the system report → Or check YOUR exact ZIP: check your water by ZIP →
Common questions about north Fulton County (Alpharetta, Roswell, Johns Creek), Georgia water
Is north Fulton County (Alpharetta, Roswell, Johns Creek), Georgia's tap water safe to drink?
Nothing in these records is above a current EPA limit, but there is something worth watching — a detection below the limit, an older exceedance, or a violation on record. See the card above. These are system-level records for public water systems, not a reading of any individual home’s tap, and they do not cover private wells. Confirm your own utility’s current Consumer Confidence Report, and test your tap if you’re unsure.
Does north Fulton County (Alpharetta, Roswell, Johns Creek), Georgia have PFAS in its drinking water?
Fulton County water (North Fulton system) reported no PFAS above reporting limits in UCMR5 monitoring.
Who supplies north Fulton County (Alpharetta, Roswell, Johns Creek), Georgia's drinking water?
Fulton County water (North Fulton system) (PWSID GA1210005) serves about 434,517 people in north Fulton County (Alpharetta, Roswell, Johns Creek), Georgia, per EPA SDWIS records. A metro area is usually served by more than one water system — this page covers the area’s largest. Suburbs and neighboring towns often have their own systems with their own results; check your exact ZIP for yours.
How do I check my exact address?
Water systems report by system, not by address. Enter your ZIP on the water checker to see the system(s) serving it and what each reported.
Statewide, 11.2% of Georgia’s UCMR5-tested systems reported PFOA or PFOS over the EPA limit — see the Georgia water page.
Other large systems in Georgia
Atlanta Gwinnett County DeKalb County Cobb County
See the 100 largest US water systems, water quality by state, and the national PFAS data study.
Sources: EPA UCMR5 occurrence data, Feb 2026 release (~95% complete; final reporting 2026) (2026-06); lead/copper + violations: EPA SDWIS via ECHO; population served: EPA SDWIS via ECHO (system-reported population served). PWSID GA1210005. Public-domain federal/state records; assembly by WaterByTheBook. Built 2026-07-25. Plain-markdown mirror: https://waterbythebook.com/md/fulton-county-water-north-fulton-system.md