DEFIANCE, OH · Defiance County
MILLER'S ROLLING HILLS ESTATES Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of October 1, 1994. 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 Defiance 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)
- OH2000612
- System type
- Community Water System
- Population served
- 90
- Service connections
- 55
- Ownership
- privately owned
- Water source
- groundwater (wells)
MILLER'S ROLLING HILLS ESTATES is one of 1,399 community water systems in Ohio in the 500 or fewer people size category, formerly serving 90 people from groundwater.
EPA's federal records list this system as inactive in 1994; the record below is historical.
As of August 1, 2026, its federal record holds 10 entries between 1986 and 1991, all of which EPA lists as closed. Nothing has been added since 1991.
All 10 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 the Total Coliform Rules.
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 1991 – December 31, 1991
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1991 – August 31, 1991
ArchivedMonitoring, Regular
—Cadmium
September 23, 1986 – September 22, 1989
ResolvedMonitoring, Regular
—Chromium
September 23, 1986 – September 22, 1989
ResolvedMonitoring, Regular
—Fluoride
September 23, 1986 – September 22, 1989
ResolvedMonitoring, Regular
—Nitrate
September 23, 1986 – September 22, 1989
ResolvedMonitoring, Regular
—Selenium
September 23, 1986 – September 22, 1989
ResolvedMonitoring, Regular
—Arsenic
September 23, 1986 – September 22, 1989
ResolvedMonitoring, Regular
—Barium
September 23, 1986 – September 22, 1989
ResolvedMonitoring, Regular
—Mercury
September 22, 1986 – September 21, 1989
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 1, 1991 – December 31, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| August 1, 1991 – August 31, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| September 23, 1986 – September 22, 1989 | Monitoring, Regular | Cadmium | — | Resolved |
| September 23, 1986 – September 22, 1989 | Monitoring, Regular | Chromium | — | Resolved |
| September 23, 1986 – September 22, 1989 | Monitoring, Regular | Fluoride | — | Resolved |
| September 23, 1986 – September 22, 1989 | Monitoring, Regular | Nitrate | — | Resolved |
| September 23, 1986 – September 22, 1989 | Monitoring, Regular | Selenium | — | Resolved |
| September 23, 1986 – September 22, 1989 | Monitoring, Regular | Arsenic | — | Resolved |
| September 23, 1986 – September 22, 1989 | Monitoring, Regular | Barium | — | Resolved |
| September 22, 1986 – September 21, 1989 | Monitoring, Regular | Mercury | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- September 10, 1991State Public Notification received1 linked violation
- September 4, 1991State Formal Notice of Violation issued1 linked violation
- September 4, 1991State Public Notification requested1 linked violation
- October 12, 1990State Formal Notice of Violation issued5 linked violations
- February 20, 1990State Compliance achieved8 linked violations
- February 7, 1990State Public Notification received8 linked violations
- January 12, 1990State Formal Notice of Violation issued8 linked violations
- January 30, 1989State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- January 18, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- May 1, 1983State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
Not on record
Phone not on record
DEFIANCE, OH 43512