Public water system · OH8634812
ActiveWilliams County Engineer Office
At a glance
Williams County Engineer Office (PWSID OH8634812) is an active non-transient non-community water system in Williams County, Ohio. It reports serving 33 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2011.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
33
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Williams County Engineer Office compare with other water systems in Williams County?
By EPA's size categories, Williams County Engineer Office is a very small system (500 people or fewer). Williams County has 43 active public water systems. Its population served is well below the county average of 628 people per system, and accounts for 0.1% of the 27,007 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Williams County Engineer Office is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Ohio has 544 active non-transient non-community water systems, 14% of the state's 3,854 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.
Who owns and regulates Williams County Engineer Office?
EPA lists Williams County Engineer Office as privately owned. The OH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 35 of the 43 active systems in Williams County (81%) are also privately owned.
Does Williams County Engineer Office have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2011. The violations listed here began between April 2003 and October 2011. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2011-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Williams County Engineer Office: frequently asked questions
Who runs Williams County Engineer Office?
Williams County Engineer Office (PWSID OH8634812) is a non-transient non-community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Williams County Engineer Office serve?
Williams County Engineer Office reports serving 33 people through 1 service connection in Williams County, Ohio.
Where does Williams County Engineer Office get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Williams County Engineer Office have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2011. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Williams County Engineer Office's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2011. For current results, consult EPA ECHO, or the OH state drinking water program.
Where can I find Williams County Engineer Office's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Williams County Engineer Office is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Williams County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bryan City Pws | Williams | 8,729 | Community | Groundwater |
| Montpelier Village | Williams | 4,280 | Community | Groundwater |
| Edgerton Village | Williams | 1,881 | Community | Groundwater |
| West Unity Village | Williams | 1,760 | Community | Groundwater |
| Pioneer Village | Williams | 1,449 | Community | Groundwater |
| Stryker Village | Williams | 1,259 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Williams County Engineer Office, PWSID OH8634812, Ohio”, https://aquacensus.com/water-systems/ohio/williams-county-engineer-office-oh8634812 (data as of October 1, 2026).