Water system
Carbon Hill Water Association
EPA ID OH3700103 · Hocking County · 910 people served · owned by a local government
Carbon Hill Water Association buys its water from Burr Oak Regional Water District.
The system's record
- Aquifer
- Hocking River buried valley aquifer (sand and gravel)
- Active wells
- 6
- Serves
- 1,994 people · Athens County
- EPA ID
- OH0501311
6 wells pump ~4 MGD from a sand-and-gravel aquifer within the Hocking River buried valley system; serves Athens/Hocking/Morgan/Perry county customers.
About this area's water
Did you know
- Carbon Hill's 2020 census population was just 178 — smaller than the 910 people the water association reports serving, meaning it also supplies water to surrounding rural Hocking County homes outside the village itself…
- The town's name is a fossil-fuel reference: it grew up around 19th-century coal mining, and 'carbon' was literally the coal being dug from the hill.
- Carbon Hill hasn't drawn its own water since 2006, when EPA records show its last active source well was deactivated; it now exists purely to move Burr Oak Regional Water District's treated water through local pipes.
Source: data.epa.govdata.epa.gov
History4
- 1873Carbon Hill established as a Hocking County coal-mining town; the community's name comes directly from the coal mined there.
- 1879Post office opened in Carbon Hill.
- 2006Carbon Hill Water Association's own groundwater source well (facility P01) was deactivated on 10/31/2006, per EPA SDWIS facility records.
- presentCarbon Hill Water Association now buys finished water from Burr Oak Regional Water District rather than treating its own; EPA SDWIS records the association's own treatment entry explicitly as 'NO…
Source: en.wikipedia.orgdata.epa.gov
Treatment & pressure
How it is treated
Carbon Hill Water Association performs no treatment of its own — EPA records list its facility treatment code as 'NO TREATMENT.' It purchases already-treated water wholesale from Burr Oak Regional Water District (a groundwater system based in Millfield, Ohio) via an active interconnection, and…
Source: data.epa.govdata.epa.gov
Water pressure
Not published — no pressure data found in available EPA SDWIS records, and no independent Carbon Hill Water Association website was found.
What it costs
Not published — no independent website or published rate schedule was found for this small rural water association; searches for local rate ordinances or news coverage turned up…
Water quality & impurities1
| Contaminant | Level | Limit | Year |
|---|---|---|---|
| Lead (90th percentile, Lead and Copper… Well below the EPA action level; most recent 2024-25 sampling returned non-detect (0 mg/L). | 0.00095 mg/L | 0.015 | 2019-202… |
Source: data.epa.gov
EPA compliance record
Lead at the tap: 90th-percentile result 0 ppb in 2025 (action level 15 ppb).
EPA record: no health-based violations since 2015.
1 violation of any kind logged since 2020, 1 of them paperwork (monitoring, reporting, public notice or consumer report).
EPA compliance record · Burr Oak Regional Water District (treats the water)
Lead at the tap: 90th-percentile result 1.7 ppb in 2025 (action level 15 ppb).
EPA record: no health-based violations since 2015.
1 violation of any kind logged since 2020, 1 of them paperwork (monitoring, reporting, public notice or consumer report).
Supply stress
No health-based violations on record; SDWIS shows only administrative monitoring/reporting violations (April 2013, December 2018, November 2019, July 2025). As a wholesale customer with no source of its own since 2006, Carbon Hill's water security depends entirely on Burr Oak Regional Water District's groundwater wells and the small…
Source: data.epa.gov
Sewers
Sanitary
Not published — no information found on a centralized sanitary sewer system for Carbon Hill; small unincorporated Hocking County communities in this area commonly rely on individual home septic systems, but this was not confirmed for Carbon Hill specifically.
Storm
Not published.
Sourcesverified
Compiled from the utility's own reports and public records, then independently re-checked against primary sources.
Main supplier in 1 ZIP code
Serves
Main water supplier in 1 ZIP code
- 43111 · Ward Township and Carbon Hill100% of residents
Also present in 1 more ZIP code
- 45764 · Nelsonville1% 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
Carbon Hill Water Association buys its water from Burr Oak Regional Water District.
No other system is on record buying water from Carbon Hill Water Association.
On the map
Show this system's territory on the map — 2 ZIP codes 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
Notable facts: data.epa.gov, data.epa.gov
History: en.wikipedia.org, data.epa.gov
Water quality: data.epa.gov
Treatment: data.epa.gov, data.epa.gov
Supply stress: data.epa.gov