Water system
Aqua Ohio - Mansfield System #04
EPA ID OH7001412 · Richland County · 142 people served
Aqua Ohio - Mansfield System #04 treats its own water from Groundwater wells (1 wells).
The system's record
The Ohio Department of Health's fluoridation report (CDC My Water's Fluoride) lists Aqua Ohio - Mansfield System #04 as buying its water from Madison Water District; EPA's inventory shows its own sources as primary with Madison Water District as an emergency connection. The two records may reflect a blend or a recent switch.
- Active wells
- 1
- Serves
- 142 people · Richland County
- EPA ID
- OH7001412
About this area's water
Water quality & impurities
EPA compliance record
Lead at the tap: 90th-percentile result 1.4 ppb in 2025 (action level 15 ppb).
EPA record: no health-based violations since 2015.
Present in 1 ZIP code
Serves
No ZIP code has Aqua Ohio - Mansfield System #04 on record as its main water supplier.
Also present in 1 more ZIP code
- 44905 · Madison Township and Mansfield1% of residents
Population-weighted resident shares; a ZIP code can have more than one system on record. Recomputed from each ZIP's own system list, not from the map's cached footprint.
Buys from · Sells to
Aqua Ohio - Mansfield System #04 does not buy water from another system on record; it treats its own source water.
No other system is on record buying water from Aqua Ohio - Mansfield System #04.
On the map
Show this system's territory on the map — 1 ZIP code in all.
Sources
U.S. EPA SDWIS and Community Water System Service Area Boundaries (v3, 2026), Ohio EPA primacy data, 2020 census blocks: the system serving most residents, traced through purchases to the treating utility; Ohio EPA 2023 Sewer and Water Rate Survey (Ohio State, May 2025) for household bills; Ohio EPA DEFA loan awards since 2016 for the loans paragraph · EPA SDWIS · EPA service area boundaries · Ohio EPA drinking water · Ohio EPA rate survey