CHILLICOTHE, OH · Ross County
MADRU SUBDIVISION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of September 1, 1992. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Ross County, OH.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.
System facts
- System ID (PWSID)
- OH7102012
- System type
- Community Water System
- Population served
- 66
- Service connections
- 22
- Ownership
- privately owned
- Water source
- groundwater (wells)
MADRU SUBDIVISION is one of 1,399 community water systems in Ohio in the 500 or fewer people size category, formerly serving 66 people from groundwater.
EPA's federal records list this system as inactive in 1992; the record below is historical.
As of August 1, 2026, its federal record holds 12 entries between 1988 and 1991, all of which EPA lists as closed. Nothing has been added since 1991.
All 12 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals and synthetic organic chemicals.
Violation history
Monitoring, Regular
—Endrin
January 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—BHC-GAMMA
January 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—2,4-D
January 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—2,4,5-TP
January 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—Fluoride
November 7, 1988 – November 6, 1991
ArchivedMonitoring, Regular
—Mercury
November 7, 1988 – November 6, 1991
ArchivedMonitoring, Regular
—Arsenic
November 7, 1988 – November 6, 1991
ArchivedMonitoring, Regular
—Selenium
November 7, 1988 – November 6, 1991
ArchivedMonitoring, Regular
—Nitrate
November 7, 1988 – November 6, 1991
ArchivedMonitoring, Regular
—Barium
November 7, 1988 – November 6, 1991
ArchivedMonitoring, Regular
—Cadmium
November 7, 1988 – November 6, 1991
ArchivedMonitoring, Regular
—Chromium
November 7, 1988 – November 6, 1991
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 1991 – December 31, 1991 | Monitoring, Regular | Endrin | — | Archived |
| January 1, 1991 – December 31, 1991 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| January 1, 1991 – December 31, 1991 | Monitoring, Regular | 2,4-D | — | Archived |
| January 1, 1991 – December 31, 1991 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| November 7, 1988 – November 6, 1991 | Monitoring, Regular | Fluoride | — | Archived |
| November 7, 1988 – November 6, 1991 | Monitoring, Regular | Mercury | — | Archived |
| November 7, 1988 – November 6, 1991 | Monitoring, Regular | Arsenic | — | Archived |
| November 7, 1988 – November 6, 1991 | Monitoring, Regular | Selenium | — | Archived |
| November 7, 1988 – November 6, 1991 | Monitoring, Regular | Nitrate | — | Archived |
| November 7, 1988 – November 6, 1991 | Monitoring, Regular | Barium | — | Archived |
| November 7, 1988 – November 6, 1991 | Monitoring, Regular | Cadmium | — | Archived |
| November 7, 1988 – November 6, 1991 | Monitoring, Regular | Chromium | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
Not on record
Phone not on record
CHILLICOTHE, OH 45601