Water system
Guilford Lake Estates
EPA ID OH1503412 · Columbiana County · 125 people served
Guilford Lake Estates treats its own water from Groundwater wells (2 wells).
The system's record
- Active wells
- 2
- Serves
- 125 people · Columbiana County
- EPA ID
- OH1503412
About this area's water
Did you know
- Guilford Lake Estates is a very small water system, serving an estimated population of only about 125 people via two wells and 75 service connections (confirmed via EPA's federal SDWIS database).
- It anchors the 43962 Summitville ZIP code, a rural area near Guilford Lake State Park in Columbiana County (general geographic knowledge; not independently re-verified against a specific source this pass).
Source: data.epa.gov
Treatment & pressure
How it is treated
No published treatment description was found. EPA's federal SDWIS database (data.epa.gov) confirms this is an active, privately-owned, 2-well community groundwater system with 75 service connections; disinfection-only treatment is presumed, consistent with typical practice for a system this size…
Source: data.epa.gov
Water pressure
not published
What it costs
No published rate schedule was found for Guilford Lake Estates.
Water quality & impurities
EPA compliance record
Lead at the tap: 90th-percentile result 0 ppb in 2023 (action level 15 ppb).
EPA record: no health-based violations since 2015.
2 violations of any kind logged since 2020, 2 of them paperwork (monitoring, reporting, public notice or consumer report).
Supply stress
No documented contamination or capacity issue was found. Federal SDWIS/ECHO compliance records (data.epa.gov) show three recorded 'Other' (non-health-based, monitoring/reporting-type) violations since 2015, tier-3 public notification, with the most recent one opened 1/14/2026 and still unresolved as of this check; no numeric contaminant…
Source: data.epa.gov
Sewers
Sanitary
No information found on wastewater service for Guilford Lake Estates; small rural subdivisions of this size and era in Columbiana County are commonly served by individual household septic systems rather than a public sewer, but this could not be confirmed.
Storm
No information found.
Sourcesverified
Compiled from the utility's own reports and public records, then independently re-checked against primary sources. Little is published about this system, so details are thin.
Main supplier in 1 ZIP code
Serves
Main water supplier in 1 ZIP code
- 43962 · Summitville35% 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
Guilford Lake Estates does not buy water from another system on record; it treats its own source water.
No other system is on record buying water from Guilford Lake Estates.
Photograph
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
Notable facts: data.epa.gov
Treatment: data.epa.gov
Supply stress: data.epa.gov