Public water system · MO2024237
ActiveGrundy County Pwsd 1
At a glance
Grundy County Pwsd 1 (PWSID MO2024237) is an active community water system in Grundy County, Missouri. It reports serving 3,900 people through 1,614 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 8 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,900
Service connections
1,614
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Grundy County Pwsd 1 compare with other water systems in Grundy County?
By EPA's size categories, Grundy County Pwsd 1 is a medium system (3,301 to 10,000 people). Grundy County has 5 active public water systems, and Grundy County Pwsd 1 is the 2nd-largest of them by population served. Its population served is about twice the county average of 2,032 people per system, and accounts for 38% of the 10,160 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 Grundy County Pwsd 1 is about 42% 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 surface water means the system buys surface water from another public water system rather than drawing its own. 179 Missouri systems (6.1%) list purchased surface water as their primary source.
Who owns and regulates Grundy County Pwsd 1?
EPA lists Grundy County Pwsd 1 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. 5 of the 5 active systems in Grundy County (100%) are also owned by a local government.
Does Grundy County Pwsd 1 have drinking water violations?
EPA's records list 9 violations for this system; 8 are health-based, and the most recent began in October 2024. The violations listed here began between April 2014 and October 2024. By type: 8 contaminant level above the legal limit and 1 reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (8 of them). EPA lists 9 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2020-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | 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.
Grundy County Pwsd 1: frequently asked questions
Who runs Grundy County Pwsd 1?
Grundy County Pwsd 1 (PWSID MO2024237) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Grundy County Pwsd 1 serve?
Grundy County Pwsd 1 reports serving 3,900 people through 1,614 service connections in Grundy County, Missouri.
Where does Grundy County Pwsd 1 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 Grundy County Pwsd 1 have any drinking water violations?
EPA's records list 9 violations for this system; 8 are health-based, and the most recent began in October 2024. 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 Grundy County Pwsd 1'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; 8 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Grundy County Pwsd 1's water quality report?
As a community water system, Grundy County Pwsd 1 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 Grundy County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Trenton Municipal Utilities Pws | Grundy | 5,600 | Community | Surface water |
| Spickard Pws | Grundy | 254 | Community | Purchased surface water |
| Laredo Pws | Grundy | 240 | Community | Purchased groundwater |
| Galt Pws | Grundy | 166 | Community | Purchased 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, “Grundy County Pwsd 1, PWSID MO2024237, Missouri”, https://aquacensus.com/water-systems/missouri/grundy-county-pwsd-1-mo2024237 (data as of October 1, 2026).