Public water system · ME0093911
ActiveMdacf State Park-Lily Bay
At a glance
Mdacf State Park-Lily Bay (PWSID ME0093911) is an active transient non-community water system in Piscataquis County, Maine. It reports serving 222 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
222
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mdacf State Park-Lily Bay compare with other water systems in Piscataquis County?
By EPA's size categories, Mdacf State Park-Lily Bay is a very small system (500 people or fewer). Piscataquis County has 42 active public water systems. Its population served is about 21% below the county average of 282 people per system, and accounts for 1.9% of the 11,828 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Mdacf State Park-Lily Bay is about 54% above 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. Maine has 1,091 active transient non-community water systems, 59% of the state's 1,862 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,780 Maine systems (96%) list groundwater as their primary source.
Who owns and regulates Mdacf State Park-Lily Bay?
EPA lists Mdacf State Park-Lily Bay as owned by a state government. The ME 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 42 active systems in Piscataquis County (12%) are also owned by a state government.
Does Mdacf State Park-Lily Bay have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in May 2025. The violations listed here began between September 2011 and May 2025. By type: 2 public notice, recordkeeping or other, 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 4 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-05-31 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2012-11-04 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2011-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 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.
Mdacf State Park-Lily Bay: frequently asked questions
Who runs Mdacf State Park-Lily Bay?
Mdacf State Park-Lily Bay (PWSID ME0093911) is a transient non-community water system owned by a state government. It is regulated by the ME state drinking water program.
How many people does Mdacf State Park-Lily Bay serve?
Mdacf State Park-Lily Bay reports serving 222 people through 1 service connection in Piscataquis County, Maine.
Where does Mdacf State Park-Lily Bay 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 Mdacf State Park-Lily Bay have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in May 2025. 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 Mdacf State Park-Lily Bay'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 5 violations for this system; none is health-based, and the most recent began in May 2025. For current results, consult EPA ECHO, or the ME state drinking water program.
Where can I find Mdacf State Park-Lily Bay's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mdacf State Park-Lily Bay 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 Piscataquis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dover-Foxcroft Water District | Piscataquis | 2,400 | Community | Surface water |
| Milo Water District | Piscataquis | 1,720 | Community | Surface water |
| Guilford-Sangerville Utilities District | Piscataquis | 1,535 | Community | Groundwater |
| Maine Water Company Greenville Division | Piscataquis | 1,335 | Community | Groundwater |
| Brownville Jct Water Dept | Piscataquis | 663 | Community | Groundwater |
| Spacious Skies Cg-Balsam Woods | Piscataquis | 322 | Transient non-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, “Mdacf State Park-Lily Bay, PWSID ME0093911, Maine”, https://aquacensus.com/water-systems/maine/mdacf-state-park-lily-bay-me0093911 (data as of October 1, 2026).