Public water system · IA1051051
ActiveLamont Water Supply
At a glance
Lamont Water Supply (PWSID IA1051051) is an active community water system in Buchanan County, Iowa. It reports serving 429 people through 267 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
429
Service connections
267
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lamont Water Supply compare with other water systems in Buchanan County?
By EPA's size categories, Lamont Water Supply is a very small system (500 people or fewer). Buchanan County has 20 active public water systems, and Lamont Water Supply is the 6th-largest of them by population served. Its population served is about 34% below the county average of 651 people per system, and accounts for 3.3% of the 13,026 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Lamont Water Supply 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. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Lamont Water Supply?
EPA lists Lamont Water Supply as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 7 of the 20 active systems in Buchanan County (35%) are also owned by a local government.
Does Lamont Water Supply have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2025. The violations listed here began between December 2021 and May 2025. By type: 1 monitoring and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and Lead and Copper Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2025-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-12-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
All 2 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.
Lamont Water Supply: frequently asked questions
Who runs Lamont Water Supply?
Lamont Water Supply (PWSID IA1051051) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Lamont Water Supply serve?
Lamont Water Supply reports serving 429 people through 267 service connections in Buchanan County, Iowa.
Where does Lamont Water Supply 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 Lamont Water Supply have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2025. 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 Lamont Water Supply'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 2 violations for this system; none is health-based, and the most recent began in May 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Lamont Water Supply's water quality report?
As a community water system, Lamont Water Supply 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 Buchanan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Independence Water Dept | Buchanan | 6,064 | Community | Groundwater |
| Jesup Municipal Water Supply | Buchanan | 2,508 | Community | Groundwater |
| Fairbank Water Supply | Buchanan | 1,111 | Community | Purchased groundwater |
| Winthrop Water Supply | Buchanan | 840 | Community | Groundwater |
| Hazleton Water Supply | Buchanan | 713 | Community | Groundwater |
| Brandon Water Supply | Buchanan | 341 | Community | 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, “Lamont Water Supply, PWSID IA1051051, Iowa”, https://aquacensus.com/water-systems/iowa/lamont-water-supply-ia1051051 (data as of October 1, 2026).