Public water system · MO3036123
ActiveBlue Branch Improvement Assn Inc.
At a glance
Blue Branch Improvement Assn Inc. (PWSID MO3036123) is an active community water system in Benton County, Missouri. It reports serving 200 people through 102 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
102
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Blue Branch Improvement Assn Inc. compare with other water systems in Benton County?
By EPA's size categories, Blue Branch Improvement Assn Inc. is a very small system (500 people or fewer). Benton County has 83 active public water systems. Its population served is about 23% above the county average of 163 people per system, and accounts for 1.5% of the 13,544 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 Blue Branch Improvement Assn Inc. 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 Blue Branch Improvement Assn Inc.?
EPA lists Blue Branch Improvement Assn Inc. 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. 68 of the 83 active systems in Benton County (82%) are also privately owned.
Does Blue Branch Improvement Assn Inc. have drinking water violations?
Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in February 2026. The violations listed here began between October 2013 and February 2026. By type: 5 contaminant level above the legal limit, 4 public notice, recordkeeping or other, 1 required treatment not met, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 10 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-02-08 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-12-14 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2022-11-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-12-09 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2013-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-10-28 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
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.
Blue Branch Improvement Assn Inc.: frequently asked questions
Who runs Blue Branch Improvement Assn Inc.?
Blue Branch Improvement Assn Inc. (PWSID MO3036123) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Blue Branch Improvement Assn Inc. serve?
Blue Branch Improvement Assn Inc. reports serving 200 people through 102 service connections in Benton County, Missouri.
Where does Blue Branch Improvement Assn Inc. 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 Blue Branch Improvement Assn Inc. have any drinking water violations?
Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in February 2026. 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 Blue Branch Improvement Assn Inc.'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. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in February 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Blue Branch Improvement Assn Inc.'s water quality report?
As a community water system, Blue Branch Improvement Assn Inc. 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 Benton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Warsaw Pws | Benton | 2,402 | Community | Groundwater |
| Cole Camp Pws | Benton | 1,150 | Community | Groundwater |
| Lincoln Pws | Benton | 1,100 | Community | Groundwater |
| Warsaw R Ix High School | Benton | 605 | Non-transient non-community | Groundwater |
| Sterett Creek Village | Benton | 505 | Community | Groundwater |
| Harry S Truman State Park Campgrd | Benton | 500 | Transient non-community | Groundwater |
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, “Blue Branch Improvement Assn Inc., PWSID MO3036123, Missouri”, https://aquacensus.com/water-systems/missouri/blue-branch-improvement-assn-inc-mo3036123 (data as of October 1, 2026).