Skip to content
AquaCensus

Public water system · MO1010319

Active

Graham Pws

At a glance

Graham Pws (PWSID MO1010319) is an active community water system in Nodaway County, Missouri. It reports serving 170 people through 78 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in December 2023.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

170

Service connections

78

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO1010319
System typeCommunity water system
Activity statusActive
Population served170
Service connections78
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMO state drinking water program
City servedGraham
StateMissouri
ZIP—
CountyNodaway County

How does Graham Pws compare with other water systems in Nodaway County?

By EPA's size categories, Graham Pws is a very small system (500 people or fewer). Nodaway County has 12 active public water systems. Its population served is well below the county average of 1,677 people per system, and accounts for 0.8% of the 20,129 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 Graham Pws 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.

Who owns and regulates Graham Pws?

EPA lists Graham Pws as owned by a local government. 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. 12 of the 12 active systems in Nodaway County (100%) are also owned by a local government.

Does Graham Pws have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in December 2023. The violations listed here began between October 1999 and December 2023. By type: 6 monitoring and reporting, 2 monitoring, 2 required treatment not met, 1 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 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2023-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2012-07-08Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2012-03-12Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
2008-02-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2005-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2003-05-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1999-10-19Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1999-10-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent 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.

Graham Pws: frequently asked questions

Who runs Graham Pws?

Graham Pws (PWSID MO1010319) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Graham Pws serve?

Graham Pws reports serving 170 people through 78 service connections in Nodaway County, Missouri.

Where does Graham Pws 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 Graham Pws have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in December 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 Graham Pws' 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. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in December 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Graham Pws' water quality report?

As a community water system, Graham Pws 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 Nodaway County

Water systemCountyPopulation servedTypeSource
Maryville PwsNodaway10,775CommunitySurface water
Nodaway County Pwsd 1Nodaway6,428CommunityPurchased surface water
Burlington Junction PwsNodaway630CommunityGroundwater
Hopkins PwsNodaway550CommunityGroundwater
Ravenwood PwsNodaway420CommunityGroundwater
Skidmore PwsNodaway230CommunityPurchased surface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Graham Pws, PWSID MO1010319, Missouri”, https://aquacensus.com/water-systems/missouri/graham-pws-mo1010319 (data as of October 1, 2026).