Public water system · MO1010607
ActiveMo American Orrick
At a glance
Mo American Orrick (PWSID MO1010607) is an active community water system in Ray County, Missouri. It reports serving 752 people through 370 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in January 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
752
Service connections
370
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Mo American Orrick compare with other water systems in Ray County?
By EPA's size categories, Mo American Orrick is a small system (501 to 3,300 people). Ray County has 8 active public water systems, and Mo American Orrick is the 5th-largest of them by population served. Its population served is about 61% below the county average of 1,909 people per system, and accounts for 4.9% 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 Orrick 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. 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 Orrick?
EPA lists Mo American Orrick 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 Orrick have drinking water violations?
EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in January 2021. The violations listed here began between November 1993 and January 2021. By type: 6 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2012-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2000-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | 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.
Mo American Orrick: frequently asked questions
Who runs Mo American Orrick?
Mo American Orrick (PWSID MO1010607) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Mo American Orrick serve?
Mo American Orrick reports serving 752 people through 370 service connections in Ray County, Missouri.
Where does Mo American Orrick 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 Orrick have any drinking water violations?
EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in January 2021. 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 Orrick'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 January 2021. 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 Orrick's water quality report?
As a community water system, Mo American Orrick 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 |
| Mo American Lawson | Ray | 2,546 | Community | Purchased groundwater |
| Ray County Pwsd 1 | Ray | 2,490 | Community | Purchased groundwater |
| Ray County Pwsd 3 | Ray | 1,970 | 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 Orrick, PWSID MO1010607, Missouri”, https://aquacensus.com/water-systems/missouri/mo-american-orrick-mo1010607 (data as of October 1, 2026).