Water in Sunbury
The 2020 census counted 6,614 people in Sunbury, in Delaware County. It is about 21 miles from downtown Columbus.
Drinking water in Sunbury comes from Del-Co Water Company, Inc. (per City of Sunbury Utilities page; city bills sewer only). Del-Co sources: Olentangy River, O'Shaughnessy Reservoir (Scioto), Alum Creek Reservoir + Knox County well field (Del-Co 2025 CCR). Del-Co says hardness is approximately 7-8 gpg (120-140 mg/L).
Del-Co Water Company, Inc. (per City of Sunbury Utilities page; city bills sewer only) publishes a hardness figure for this supply: ~7-8 gpg (120-140 mg/L) Del-Co system figure.
ZIP codes on file for Sunbury are 43074.
Whole house water filtration here
A whole-house filter in Sunbury treats water where it enters the house: sediment and the taste of disinfectant on a public supply, or a first stage ahead of other equipment on a well. It does not soften water. Match the media to the supplier's source, which is described above, instead of a stock carbon tank.
Nearby places
Johnstown is 12 miles from Sunbury, in Licking County. Water there is City of Johnstown Service Dept. (own water treatment plant, 395 W. Jersey St.).
Blacklick is 18 miles from Sunbury, in Franklin County. We have not confirmed Blacklick's public supplier, so that page does not state one.
Grandview Heights is 20 miles from Sunbury, in Franklin County. Water there is City of Columbus water (Columbus Water & Power) - listed contract community. Published hardness: 5.7-7.3 gpg (98-125 mg/L) 2025 annual avg by plant; system avg 115 mg/L.
Plain City is 22 miles from Sunbury, in Union County. Water there is Mid-Ohio Regional Water & Sewer District (Plain City system).
More in Sunbury
Nearby
Questions people ask
Who supplies drinking water in Sunbury?
Del-Co Water Company, Inc. (per City of Sunbury Utilities page; city bills sewer only). Del-Co Water Company, Inc. (per City of Sunbury Utilities page; city bills sewer only) publishes a hardness figure for this supply: ~7-8 gpg (120-140 mg/L) Del-Co system figure.
Is the water in Sunbury hard?
~7-8 gpg (120-140 mg/L) Del-Co system figure. That is the published figure, in the units the utility used. Spots on glass and scale in a water heater are the household signs. The test confirms the number at the address.
How is Sunbury different from Johnstown?
Johnstown is 12 miles from Sunbury, in Licking County. Water there is City of Johnstown Service Dept. (own water treatment plant, 395 W. Jersey St.).
Which ZIP codes does the Sunbury page cover?
43074. Those come from a named place source, not a guessed centroid. Houses just outside the city limits may be on a different supplier.