Public water system · NM3500624
ActiveLee Hammond Water
At a glance
Lee Hammond Water (PWSID NM3500624) is an active community water system in San Juan County, New Mexico. It reports serving 8,817 people through 2,673 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,817
Service connections
2,673
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Lee Hammond Water compare with other water systems in San Juan County?
By EPA's size categories, Lee Hammond Water is a medium system (3,301 to 10,000 people). San Juan County has 22 active public water systems, and Lee Hammond Water is the 4th-largest of them by population served. Its population served is about 87% above the county average of 4,715 people per system, and accounts for 8.5% of the 103,721 people reported by systems filed under the county. Across New Mexico, the 1,165 active systems average 1,885 people each. Nationally, the average active community water system reports serving 6,703 people, so Lee Hammond Water is about 32% above 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. New Mexico has 645 active community water systems, 55% of the state's 1,165 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 37 New Mexico systems (3.2%) list surface water as their primary source.
Who owns and regulates Lee Hammond Water?
EPA lists Lee Hammond Water as privately owned. The NM state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 22 active systems in San Juan County (27%) are also privately owned.
Does Lee Hammond Water have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2022. The violations listed here began between April 2017 and November 2022. By type: 7 monitoring and reporting, 3 public notice, recordkeeping or other, 1 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (3 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-11-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2022-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2022-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2022-01-14 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-11-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-04-01 | Public notice, recordkeeping or otherFailure to Notify Other PWS · code 73 | Groundwater Rulecode 0700 | No | Resolved |
| 2020-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2020-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2020-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2017-04-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | 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.
Lee Hammond Water: frequently asked questions
Who runs Lee Hammond Water?
Lee Hammond Water (PWSID NM3500624) is a community water system privately owned. It is regulated by the NM state drinking water program.
How many people does Lee Hammond Water serve?
Lee Hammond Water reports serving 8,817 people through 2,673 service connections in San Juan County, New Mexico.
Where does Lee Hammond Water get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Lee Hammond Water have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2022. 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 Lee Hammond Water'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, 2 are health-based, and the most recent began in November 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.
Where can I find Lee Hammond Water's water quality report?
As a community water system, Lee Hammond Water 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 San Juan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Farmington Water System | San Juan | 47,655 | Community | Surface water |
| Aztec Domestic Water System | San Juan | 9,673 | Community | Surface water |
| Bloomfield Water Supply System | San Juan | 9,536 | Community | Surface water |
| Lower Valley Water Users Association | San Juan | 7,615 | Community | Surface water |
| Morningstar Water System | San Juan | 5,694 | Community | Purchased surface water |
| Northstar Mdwca | San Juan | 3,784 | Community | 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, “Lee Hammond Water, PWSID NM3500624, New Mexico”, https://aquacensus.com/water-systems/new-mexico/lee-hammond-water-nm3500624 (data as of October 1, 2026).