COLUMBUS, OH · Franklin County
TIMBERLAKE WATER SYSTEM Water System
Current status
1 open health-based violation on record as of July 4, 2026, alongside 5 other open item(s). See the violation history below for contaminant and status details.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- OH2501812
- System type
- Community Water System
- Population served
- 1,600
- Service connections
- 350
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
December 10, 2025
UnaddressedNotification, Known or Potential LSL
—LEAD AND COPPER RULE REVISIONS
July 2, 2025
UnaddressedLSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
February 6, 2020
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
December 13, 2018
UnaddressedMonitoring, Source Water (GWR)
—E. COLI
September 13, 2014 – October 14, 2014
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2012 – June 30, 2012
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2011
UnaddressedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2007 – January 24, 2008
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—Toxaphene
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—Dalapon
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—Endrin
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—Dinoseb
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—OXAMYL
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—Atrazine
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—2,4-D
January 1, 1994 – January 28, 1994
ResolvedMonitoring, Regular
—2,4-D
January 1, 1991 – December 31, 1991
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1991 – December 31, 1991
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 1991 – December 31, 1991
ResolvedMonitoring, Regular
—2,4-D
January 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—Selenium
June 15, 1986 – June 14, 1989
ResolvedMonitoring, Regular
—Arsenic
June 15, 1986 – June 14, 1989
ResolvedMonitoring, Regular
—Barium
June 15, 1986 – June 14, 1989
ResolvedMonitoring, Regular
—Cadmium
June 15, 1986 – June 14, 1989
ResolvedMonitoring, Regular
—Chromium
June 15, 1986 – June 14, 1989
ResolvedMonitoring, Regular
—Fluoride
June 15, 1986 – June 14, 1989
ResolvedMonitoring, Regular
—Mercury
June 15, 1986 – June 14, 1989
ResolvedMonitoring, Regular
—Nitrate
June 15, 1986 – June 14, 1989
ResolvedMonitoring, Regular
—Arsenic
October 1, 1984 – September 30, 1987
ArchivedMonitoring, Regular
—Barium
October 1, 1984 – September 30, 1987
ArchivedMonitoring, Regular
—Cadmium
October 1, 1984 – September 30, 1987
ArchivedMonitoring, Regular
—Chromium
October 1, 1984 – September 30, 1987
ArchivedMonitoring, Regular
—Fluoride
October 1, 1984 – September 30, 1987
ArchivedMonitoring, Regular
—Mercury
October 1, 1984 – September 30, 1987
ArchivedMonitoring, Regular
—Nitrate
October 1, 1984 – September 30, 1987
ArchivedMonitoring, Regular
—Selenium
October 1, 1984 – September 30, 1987
Archived
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 10, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| July 2, 2025 | Notification, Known or Potential LSL | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| October 17, 2024 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Unaddressed |
| February 6, 2020 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| December 13, 2018 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| September 13, 2014 – October 14, 2014 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| June 1, 2012 – June 30, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2011 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Unaddressed |
| October 1, 2007 – January 24, 2008 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 1994 – January 28, 1994 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 1991 – December 31, 1991 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 1991 – December 31, 1991 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 1991 – December 31, 1991 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 1991 – December 31, 1991 | Monitoring, Regular | 2,4-D | — | Archived |
| June 15, 1986 – June 14, 1989 | Monitoring, Regular | Selenium | — | Resolved |
| June 15, 1986 – June 14, 1989 | Monitoring, Regular | Arsenic | — | Resolved |
| June 15, 1986 – June 14, 1989 | Monitoring, Regular | Barium | — | Resolved |
| June 15, 1986 – June 14, 1989 | Monitoring, Regular | Cadmium | — | Resolved |
| June 15, 1986 – June 14, 1989 | Monitoring, Regular | Chromium | — | Resolved |
| June 15, 1986 – June 14, 1989 | Monitoring, Regular | Fluoride | — | Resolved |
| June 15, 1986 – June 14, 1989 | Monitoring, Regular | Mercury | — | Resolved |
| June 15, 1986 – June 14, 1989 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 1984 – September 30, 1987 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 1984 – September 30, 1987 | Monitoring, Regular | Barium | — | Archived |
| October 1, 1984 – September 30, 1987 | Monitoring, Regular | Cadmium | — | Archived |
| October 1, 1984 – September 30, 1987 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1984 – September 30, 1987 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1984 – September 30, 1987 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1984 – September 30, 1987 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1984 – September 30, 1987 | Monitoring, Regular | Selenium | — | Archived |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- December 10, 2025State Violation/Reminder Notice2 linked violations
- October 21, 2025State Public Notification requested2 linked violations
- May 27, 2025State Public Notification requested23 linked violations
- February 6, 2020State Violation/Reminder Notice2 linked violations
- October 14, 2014State Compliance achieved4 linked violations
- October 6, 2014State Public Notification requested5 linked violations
- July 27, 2012State Compliance achieved5 linked violations
- April 23, 1990State Public Notification received8 linked violations
- February 9, 1990State Compliance achieved8 linked violations
- September 30, 1985State Formal Notice of Violation issued8 linked violations
- September 23, 1985State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
Contact
RENNER, STEPHEN A.
614-525-5850
COLUMBUS, OH 43215