Public water system · MO1010454
ActiveMo American Lawson
At a glance
Mo American Lawson (PWSID MO1010454) is an active community water system in Ray County, Missouri. It reports serving 2,546 people through 1,196 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,546
Service connections
1,196
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Mo American Lawson compare with other water systems in Ray County?
By EPA's size categories, Mo American Lawson is a small system (501 to 3,300 people). Ray County has 8 active public water systems, and Mo American Lawson is the 2nd-largest of them by population served. Its population served is about 33% above the county average of 1,909 people per system, and accounts for 17% of the 15,271 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Mo American Lawson is about 62% 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. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 177 Missouri systems (6%) list purchased groundwater as their primary source.
Who owns and regulates Mo American Lawson?
EPA lists Mo American Lawson as privately owned. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 8 active systems in Ray County (38%) are also privately owned.
Does Mo American Lawson have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2016. The violations listed here began between July 1997 and October 2016. By type: 4 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as resolved and 3 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 |
|---|---|---|---|---|
| 2016-10-09 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2016-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1999-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1997-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 7 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.
Mo American Lawson: frequently asked questions
Who runs Mo American Lawson?
Mo American Lawson (PWSID MO1010454) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Mo American Lawson serve?
Mo American Lawson reports serving 2,546 people through 1,196 service connections in Ray County, Missouri.
Where does Mo American Lawson get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Mo American Lawson have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2016. 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 Mo American Lawson'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 7 violations for this system; 2 are health-based, and the most recent began in October 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Mo American Lawson's water quality report?
As a community water system, Mo American Lawson 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 Ray County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Richmond Pws | Ray | 5,797 | Community | Groundwater |
| Ray County Pwsd 1 | Ray | 2,490 | Community | Purchased groundwater |
| Ray County Pwsd 3 | Ray | 1,970 | Community | Purchased groundwater |
| Mo American Orrick | Ray | 752 | Community | Purchased groundwater |
| Mo American Wood Heights | Ray | 750 | Community | Purchased groundwater |
| Hardin Pws | Ray | 569 | Community | Purchased 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, “Mo American Lawson, PWSID MO1010454, Missouri”, https://aquacensus.com/water-systems/missouri/mo-american-lawson-mo1010454 (data as of October 1, 2026).