Public water system · IA9743065
ActiveLawton Water Supply
At a glance
Lawton Water Supply (PWSID IA9743065) is an active community water system in Woodbury County, Iowa. It reports serving 988 people through 366 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in June 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
988
Service connections
366
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lawton Water Supply compare with other water systems in Woodbury County?
By EPA's size categories, Lawton Water Supply is a small system (501 to 3,300 people). Woodbury County has 32 active public water systems, and Lawton Water Supply is the 5th-largest of them by population served. Its population served is well below the county average of 3,110 people per system, and accounts for 1% of the 99,514 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 Lawton 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 Lawton Water Supply?
EPA lists Lawton 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. 20 of the 32 active systems in Woodbury County (63%) are also owned by a local government.
Does Lawton Water Supply have drinking water violations?
EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in June 2023. The violations listed here began between July 1980 and June 2023. By type: 3 monitoring and reporting, 3 contaminant level above the legal limit, 2 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Combined Radium (-226 and -228) (4 of them). EPA lists 5 as resolved and 4 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 |
|---|---|---|---|---|
| 2023-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 1996-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1986-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 1985-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Archived |
| 1985-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1985-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Archived |
| 1980-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
All 9 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.
Lawton Water Supply: frequently asked questions
Who runs Lawton Water Supply?
Lawton Water Supply (PWSID IA9743065) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Lawton Water Supply serve?
Lawton Water Supply reports serving 988 people through 366 service connections in Woodbury County, Iowa.
Where does Lawton 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 Lawton Water Supply have any drinking water violations?
EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in June 2023. 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 Lawton 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 9 violations for this system; 3 are health-based, and the most recent began in June 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Lawton Water Supply's water quality report?
As a community water system, Lawton 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 Woodbury County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sioux City Water Supply | Woodbury | 85,791 | Community | Groundwater under influence of surface water |
| Sergeant Bluff Water Supply | Woodbury | 5,015 | Community | Groundwater |
| Moville Water Supply | Woodbury | 1,687 | Community | Groundwater |
| Sloan Water Supply | Woodbury | 1,042 | Community | Groundwater |
| Correctionville Water Supply | Woodbury | 766 | Community | Groundwater |
| Anthon Municipal Water System | Woodbury | 545 | 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, “Lawton Water Supply, PWSID IA9743065, Iowa”, https://aquacensus.com/water-systems/iowa/lawton-water-supply-ia9743065 (data as of October 1, 2026).