Public water system · IA3350059
ActiveMaynard Water Supply
At a glance
Maynard Water Supply (PWSID IA3350059) is an active community water system in Fayette County, Iowa. It reports serving 476 people through 250 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
476
Service connections
250
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Maynard Water Supply compare with other water systems in Fayette County?
By EPA's size categories, Maynard Water Supply is a very small system (500 people or fewer). Fayette County has 23 active public water systems. Its population served is about 25% below the county average of 634 people per system, and accounts for 3.3% of the 14,592 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Maynard Water Supply is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Maynard Water Supply?
EPA lists Maynard Water Supply as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 12 of the 23 active systems in Fayette County (52%) are also owned by a local government.
Does Maynard Water Supply have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2000. The violations listed here began between July 1993 and July 2000. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Arsenic (3 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
The 12 most recent 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.
Maynard Water Supply: frequently asked questions
Who runs Maynard Water Supply?
Maynard Water Supply (PWSID IA3350059) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Maynard Water Supply serve?
Maynard Water Supply reports serving 476 people through 250 service connections in Fayette County, Iowa.
Where does Maynard Water Supply 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 Maynard Water Supply have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2000. 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 Maynard Water Supply'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2000. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Maynard Water Supply's water quality report?
As a community water system, Maynard Water Supply must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Fayette County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oelwein Municipal Water Works | Fayette | 5,920 | Community | Groundwater |
| West Union Water Supply | Fayette | 2,540 | Community | Groundwater |
| Fayette Water Supply | Fayette | 1,256 | Community | Groundwater |
| Elgin Municipal Water Supply | Fayette | 685 | Community | Groundwater |
| Clermont Water Supply | Fayette | 586 | Community | Groundwater |
| North Fayette Valley Community School | Fayette | 552 | Non-transient non-community | Groundwater |
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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, “Maynard Water Supply, PWSID IA3350059, Iowa”, https://aquacensus.com/water-systems/iowa/maynard-water-supply-ia3350059 (data as of October 1, 2026).