Is Marysville, OH tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Marysville City Public Water System.
Marysville City Public Water System supplies Marysville (25,571 people).
Water system
Marysville City Public Water System
25,571 people · Surface water · EPA ID OH8000314
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 1 ppb at the 90th percentile (Nov 2026, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across Ohio, 35 of 331 water systems EPA tested had PFAS above a 2024 federal limit, and 3 systems were above the lead action level in results from the last five years. Ohio results.
Marysville homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Marysville city (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Dublin 14 mi Del-Co Water Company, Inc. | None above limits | 0.82 ppb |
| Delaware 16 mi Delaware City Public Water System | None above limits | 0 ppb |
| Westerville 25 mi Del-Co Water Company, Inc. | None above limits | 0.82 ppb |
| Columbus 26 mi Columbus Public Water System | None above limits | 1.2 ppb |
| Gahanna 28 mi Gahanna City Public Water System | None above limits | 0.5 ppb |
| Grove City 29 mi Columbus Public Water System | None above limits | 1.2 ppb |
Marysville ZIP codes (1)
- 43040
Questions
Is Marysville tap water safe to drink?
Marysville City Public Water System has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Marysville, OH?
Marysville City Public Water System, which serves 25,571 people.
Does Marysville tap water have PFAS?
None detected above EPA's reporting limits. Marysville City Public Water System had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do Marysville homes have lead pipes?
Census estimates put 30% of Marysville homes as built before 1980 (Ohio: 63%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Marysville City Public Water System's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.