Public water system · MI2116725
ActiveMdot - Lennon Rp, P620
At a glance
Mdot - Lennon Rp, P620 (PWSID MI2116725) is an active transient non-community water system in Genesee County, Michigan. It reports serving 100 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 2 violations for this system; 1 is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mdot - Lennon Rp, P620 compare with other water systems in Genesee County?
By EPA's size categories, Mdot - Lennon Rp, P620 is a very small system (500 people or fewer). Genesee County has 378 active public water systems. Its population served is well below the county average of 871 people per system, and accounts for less than 0.1% of the 329,216 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Mdot - Lennon Rp, P620 is about 31% 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. Michigan has 7,865 active transient non-community water systems, 74% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.
Who owns and regulates Mdot - Lennon Rp, P620?
EPA lists Mdot - Lennon Rp, P620 as owned by a state government. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 378 active systems in Genesee County (0.5%) are also owned by a state government.
Does Mdot - Lennon Rp, P620 have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in January 2024. The violations listed here began between July 1998 and January 2024. By type: 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Nitrate and Total coliform bacteria (TCR). EPA lists 1 as archived and 1 as resolved. 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. 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1998-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 2 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.
Mdot - Lennon Rp, P620: frequently asked questions
Who runs Mdot - Lennon Rp, P620?
Mdot - Lennon Rp, P620 (PWSID MI2116725) is a transient non-community water system owned by a state government. It is regulated by the MI state drinking water program.
How many people does Mdot - Lennon Rp, P620 serve?
Mdot - Lennon Rp, P620 reports serving 100 people through 1 service connection in Genesee County, Michigan.
Where does Mdot - Lennon Rp, P620 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 Mdot - Lennon Rp, P620 have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in January 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 Mdot - Lennon Rp, P620'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 2 violations for this system; 1 is health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Mdot - Lennon Rp, P620's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mdot - Lennon Rp, P620 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 Genesee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Flint, City of | Genesee | 81,252 | Community | Purchased surface water |
| Genesee County Water System | Genesee | 73,726 | Community | Purchased surface water |
| Charter Township of Grand Blanc | Genesee | 21,000 | Community | Purchased surface water |
| Burton, City of | Genesee | 21,000 | Community | Purchased surface water |
| Fenton, City of | Genesee | 11,746 | Community | Groundwater |
| Beecher Metropolitan District | Genesee | 9,400 | 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, “Mdot - Lennon Rp, P620, PWSID MI2116725, Michigan”, https://aquacensus.com/water-systems/michigan/mdot-lennon-rp-p620-mi2116725 (data as of October 1, 2026).