Public water system · OH4946012
ActiveMadison County Engineers Office Pws
At a glance
Madison County Engineers Office Pws (PWSID OH4946012) is an active non-transient non-community water system in Madison County, Ohio. It reports serving 45 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 4 are health-based, and the most recent began in September 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
45
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Madison County Engineers Office Pws compare with other water systems in Madison County?
By EPA's size categories, Madison County Engineers Office Pws is a very small system (500 people or fewer). Madison County has 53 active public water systems. Its population served is well below the county average of 798 people per system, and accounts for 0.1% of the 42,314 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 Madison County Engineers Office Pws 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 Madison County Engineers Office Pws?
EPA lists Madison County Engineers Office Pws 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. 46 of the 53 active systems in Madison County (87%) are also privately owned.
Does Madison County Engineers Office Pws have drinking water violations?
EPA's records list 8 violations for this system; 4 are health-based, and the most recent began in September 2020. The violations listed here began between October 2006 and September 2020. By type: 4 contaminant level above the legal limit, 3 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Arsenic (3 of them). EPA lists 7 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2020-09-26 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2015-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2009-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2008-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 8 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.
Madison County Engineers Office Pws: frequently asked questions
Who runs Madison County Engineers Office Pws?
Madison County Engineers Office Pws (PWSID OH4946012) is a non-transient non-community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Madison County Engineers Office Pws serve?
Madison County Engineers Office Pws reports serving 45 people through 1 service connection in Madison County, Ohio.
Where does Madison County Engineers Office Pws 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 Madison County Engineers Office Pws have any drinking water violations?
EPA's records list 8 violations for this system; 4 are health-based, and the most recent began in September 2020. 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 Madison County Engineers Office Pws' 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. EPA's records list 8 violations for this system; 4 are health-based, and the most recent began in September 2020. For current results, consult EPA ECHO, or the OH state drinking water program.
Where can I find Madison County Engineers Office Pws' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Madison County Engineers Office Pws 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 Madison County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mid-Ohio Wsd - Chrisman Avenue WTP | Madison | 10,256 | Community | Groundwater |
| Mid-Ohio Wsd - Old Springfield Road WTP | Madison | 5,176 | Community | Groundwater |
| West Jefferson Village Pws | Madison | 4,488 | Community | Groundwater |
| Mid-Ohio Wsd - Jackson Street WTP | Madison | 4,467 | Community | Groundwater |
| Travel Centers of America | Madison | 2,490 | Non-transient non-community | Groundwater |
| Choctaw Utilities, Inc.. | Madison | 2,200 | 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, “Madison County Engineers Office Pws, PWSID OH4946012, Ohio”, https://aquacensus.com/water-systems/ohio/madison-county-engineers-office-pws-oh4946012 (data as of October 1, 2026).