Public water system · PA6430945
ActiveTibis Dairy Isle
At a glance
Tibis Dairy Isle (PWSID PA6430945) is an active transient non-community water system in Mercer County, Pennsylvania. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in November 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Tibis Dairy Isle compare with other water systems in Mercer County?
By EPA's size categories, Tibis Dairy Isle is a very small system (500 people or fewer). Mercer County has 124 active public water systems. Its population served is well below the county average of 769 people per system, and accounts for less than 0.1% of the 95,322 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Tibis Dairy Isle is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Pennsylvania has 4,429 active transient non-community water systems, 61% of the state's 7,217 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,632 Pennsylvania systems (92%) list groundwater as their primary source.
Who owns and regulates Tibis Dairy Isle?
EPA lists Tibis Dairy Isle as privately owned. The PA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 92 of the 124 active systems in Mercer County (74%) are also privately owned.
Does Tibis Dairy Isle have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in November 2024. The violations listed here began between December 1980 and November 2024. By type: 4 monitoring and reporting, 2 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 5 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-11-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-08-26 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1986-12-24 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1980-12-23 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
All 7 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.
Tibis Dairy Isle: frequently asked questions
Who runs Tibis Dairy Isle?
Tibis Dairy Isle (PWSID PA6430945) is a transient non-community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Tibis Dairy Isle serve?
Tibis Dairy Isle reports serving 25 people through 1 service connection in Mercer County, Pennsylvania.
Where does Tibis Dairy Isle 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 Tibis Dairy Isle have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in November 2024. 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 Tibis Dairy Isle's 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 7 violations for this system; none is health-based, and the most recent began in November 2024. For current results, consult EPA ECHO, or the PA state drinking water program.
Where can I find Tibis Dairy Isle's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Tibis Dairy Isle is a 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 Mercer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aqua Pa Shenango Valley WTP | Mercer | 48,000 | Community | Surface water |
| Aqua Pa Greenville | Mercer | 8,600 | Community | Surface water |
| Grove City Boro Water Dept | Mercer | 7,871 | Community | Groundwater |
| Sharpsville Boro Water Co | Mercer | 5,029 | Community | Purchased surface water |
| Pine Twp Water Distr System | Mercer | 3,082 | Community | Purchased groundwater |
| Reynolds Water Company | Mercer | 2,370 | Community | Surface water |
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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, “Tibis Dairy Isle, PWSID PA6430945, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/tibis-dairy-isle-pa6430945 (data as of October 1, 2026).