HILLSBORO, OH · Highland County
HILLSBORO CITY Water System
Consumer Confidence Report status
HILLSBORO CITY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 2 items for HILLSBORO CITY that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- OH3600614
- System type
- Community Water System
- Population served
- 6,650
- Service connections
- 3,359
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
HILLSBORO CITY is one of 192 community water systems in Ohio in the 3,301 to 10,000 people size category, serving 6,650 people from surface water.
As of August 1, 2026, its federal record holds 12 entries between 1993 and 2025, of which 2 remain open; none are health-based.
Of the 12, 8 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 the Consumer Confidence Rule, the Surface Water Treatment Rules, and synthetic organic chemicals.
Violation history
Notification, Known or Potential LSL
—LEAD AND COPPER RULE REVISIONS
July 2, 2025 – December 16, 2025
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
September 5, 2024 – February 10, 2025
ResolvedMonitoring and Reporting (DBP)
—CARBON, TOTAL
April 1, 2022 – June 1, 2022
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
February 10, 2020
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
November 2, 2018
UnaddressedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2018 – August 31, 2018
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Simazine
May 1, 2006 – May 31, 2006
ResolvedMonitoring, Regular
—Atrazine
May 1, 2006 – May 31, 2006
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2003 – October 31, 2003
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 1994 – January 31, 1994
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
August 1, 1993 – August 31, 1993
Resolved
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 2, 2025 – December 16, 2025 | Notification, Known or Potential LSL | LEAD AND COPPER RULE REVISIONS | — | Resolved |
| September 5, 2024 – February 10, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| April 1, 2022 – June 1, 2022 | Monitoring and Reporting (DBP) | CARBON, TOTAL | — | Resolved |
| February 10, 2020 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| November 2, 2018 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| August 1, 2018 – August 31, 2018 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2016 – December 31, 2016 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| May 1, 2006 – May 31, 2006 | Monitoring, Regular | Simazine | — | Resolved |
| May 1, 2006 – May 31, 2006 | Monitoring, Regular | Atrazine | — | Resolved |
| October 1, 2003 – October 31, 2003 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 1994 – January 31, 1994 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 1993 – August 31, 1993 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
Enforcement actions
- December 16, 2025State Compliance achieved1 linked violation
- October 21, 2025State Public Notification requested1 linked violation
- October 21, 2025State Violation/Reminder Notice1 linked violation
- February 10, 2025State Compliance achieved1 linked violation
- September 5, 2024State Violation/Reminder Notice1 linked violation
- June 6, 2023State Public Notification received1 linked violation
- July 6, 2022State Violation/Reminder Notice1 linked violation
- July 6, 2022State Public Notification requested1 linked violation
- June 1, 2022State Compliance achieved1 linked violation
- November 2, 2018State Violation/Reminder Notice1 linked violation
- October 4, 2018State Public Notification requested1 linked violation
- October 4, 2018State Violation/Reminder Notice1 linked violation
- September 27, 2018State Compliance achieved1 linked violation
- June 19, 2017State Public Notification received2 linked violations
- February 21, 2017State Public Notification requested2 linked violations
- January 4, 2017State Compliance achieved1 linked violation
- February 12, 2008State Compliance achieved25 linked violations
- September 26, 2006State Violation/Reminder Notice37 linked violations
- July 31, 1990State Public Notification received2 linked violations
Common questions
Is HILLSBORO CITY required to publish a Consumer Confidence Report?
- Yes. HILLSBORO CITY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is HILLSBORO CITY’s next Consumer Confidence Report due?
- HILLSBORO CITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HILLSBORO CITY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 2 items for HILLSBORO CITY that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
ADKINS, SHAWN
937-393-5219
HILLSBORO, OH 45133