Public water system · MD1211068
ActiveYogi Bears Jellystone Park
At a glance
Yogi Bears Jellystone Park (PWSID MD1211068) is an active non-transient non-community water system in Washington County, Michigan. It reports serving 541 people through 4 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as privately owned. EPA's records list 3 violations for this system; all are health-based, and the most recent began in August 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
541
Service connections
4
Primary source
GU
Groundwater under influence of surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Yogi Bears Jellystone Park compare with other water systems in Washington County?
By EPA's size categories, Yogi Bears Jellystone Park is a small system (501 to 3,300 people). Washington County has 5 active public water systems, and Yogi Bears Jellystone Park is the 2nd-largest of them by population served. Its population served is about 29% above the county average of 420 people per system, and accounts for 26% of the 2,098 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Yogi Bears Jellystone Park is about 26% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Michigan has 1,402 active non-transient non-community water systems, 13% of the state's 10,599 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 11 Michigan systems (0.1%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Yogi Bears Jellystone Park?
EPA lists Yogi Bears Jellystone Park as privately owned. The MD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 5 active systems in Washington County (100%) are also privately owned.
Does Yogi Bears Jellystone Park have drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in August 2010. The violations listed here began between July 1994 and August 2010. By type: 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2010-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Yogi Bears Jellystone Park: frequently asked questions
Who runs Yogi Bears Jellystone Park?
Yogi Bears Jellystone Park (PWSID MD1211068) is a non-transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Yogi Bears Jellystone Park serve?
Yogi Bears Jellystone Park reports serving 541 people through 4 service connections in Washington County, Michigan.
Where does Yogi Bears Jellystone Park get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Yogi Bears Jellystone Park have any drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in August 2010. 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 Yogi Bears Jellystone Park'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 3 violations for this system; all are health-based, and the most recent began in August 2010. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Yogi Bears Jellystone Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Yogi Bears Jellystone Park is a non-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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| South Park Mhc LLC | Washington | 740 | Community | Purchased surface water |
| Washington Estates Ii Mhc LLC | Washington | 373 | Community | Purchased surface water |
| Washington Estates Mhc LLC | Washington | 358 | Community | Purchased surface water |
| El Rancho Mobile Home Park | Washington | 86 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Yogi Bears Jellystone Park, PWSID MD1211068, Michigan”, https://aquacensus.com/water-systems/michigan/yogi-bears-jellystone-park-md1211068 (data as of October 1, 2026).