Public water system · IA5442029
ActiveKeswick Water System
At a glance
Keswick Water System (PWSID IA5442029) is an active community water system in Keokuk County, Iowa. It reports serving 252 people through 134 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
252
Service connections
134
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Keswick Water System compare with other water systems in Keokuk County?
By EPA's size categories, Keswick Water System is a very small system (500 people or fewer). Keokuk County has 12 active public water systems. Its population served is well below the county average of 1,926 people per system, and accounts for 1.1% of the 23,108 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 Keswick Water System 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 119 Iowa systems (6.5%) list purchased surface water as their primary source.
Who owns and regulates Keswick Water System?
EPA lists Keswick Water System 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 12 active systems in Keokuk County (83%) are also owned by a local government.
Does Keswick Water System have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2006. The violations listed here began between November 1991 and July 2006. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Haloacetic acids (HAA5), Consumer Confidence Rule and Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2006-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2005-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1991-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | 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.
Keswick Water System: frequently asked questions
Who runs Keswick Water System?
Keswick Water System (PWSID IA5442029) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Keswick Water System serve?
Keswick Water System reports serving 252 people through 134 service connections in Keokuk County, Iowa.
Where does Keswick Water System get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Keswick Water System have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2006. 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 Keswick Water System'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; none is health-based, and the most recent began in July 2006. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Keswick Water System's water quality report?
As a community water system, Keswick Water System 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 Keokuk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wapello Rural Water Assoc. | Keokuk + 3 more | 17,263 | Community | Purchased surface water |
| Sigourney Muni Water Works | Keokuk | 2,004 | Community | Groundwater |
| Keota Water Dept | Keokuk | 897 | Community | Groundwater |
| Hedrick Water Supply | Keokuk | 728 | Community | Purchased groundwater |
| What Cheer Water Supply | Keokuk | 646 | Community | Purchased groundwater |
| Richland Water Supply | Keokuk | 542 | 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, “Keswick Water System, PWSID IA5442029, Iowa”, https://aquacensus.com/water-systems/iowa/keswick-water-system-ia5442029 (data as of October 1, 2026).