Public water system · IA7537032
ActiveKingsley Water Supply
At a glance
Kingsley Water Supply (PWSID IA7537032) is an active community water system in Plymouth County, Iowa. It reports serving 1,396 people through 718 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in October 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,396
Service connections
718
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Kingsley Water Supply compare with other water systems in Plymouth County?
By EPA's size categories, Kingsley Water Supply is a small system (501 to 3,300 people). Plymouth County has 13 active public water systems, and Kingsley Water Supply is the 4th-largest of them by population served. Its population served is roughly in line with the county average of 1,362 people per system, and accounts for 7.9% of the 17,703 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 Kingsley 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 Kingsley Water Supply?
EPA lists Kingsley 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. 10 of the 13 active systems in Plymouth County (77%) are also owned by a local government.
Does Kingsley Water Supply have drinking water violations?
EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in October 2000. The violations listed here began between January 1983 and October 2000. By type: 6 monitoring and reporting, 3 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (5 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2000-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1990-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 1990-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 1990-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 1987-10-01 | Monitoring and reportingMonitoring, Check/Repeat/Confirmation · code 04 | Nitratecode 1040 | No | Resolved |
| 1986-10-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Nitratecode 1040 | No | Resolved |
| 1986-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Archived |
| 1986-01-13 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Archived |
| 1983-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
All 10 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.
Kingsley Water Supply: frequently asked questions
Who runs Kingsley Water Supply?
Kingsley Water Supply (PWSID IA7537032) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Kingsley Water Supply serve?
Kingsley Water Supply reports serving 1,396 people through 718 service connections in Plymouth County, Iowa.
Where does Kingsley 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 Kingsley Water Supply have any drinking water violations?
EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in October 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 Kingsley 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. EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in October 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 Kingsley Water Supply's water quality report?
As a community water system, Kingsley 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 Plymouth County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lemars Water Department | Plymouth | 10,606 | Community | Groundwater |
| Remsen Municipal Utilities | Plymouth | 1,678 | Community | Groundwater |
| Akron, City of | Plymouth | 1,558 | Community | Groundwater |
| Hinton Water Supply | Plymouth | 935 | Community | Groundwater |
| Merrill Municipal Water Supply | Plymouth | 717 | Community | Groundwater |
| Country Celebrations Event Center | Plymouth | 200 | 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, “Kingsley Water Supply, PWSID IA7537032, Iowa”, https://aquacensus.com/water-systems/iowa/kingsley-water-supply-ia7537032 (data as of October 1, 2026).