Public water system · NC4392233
ActiveMonterrey S/D
At a glance
Monterrey S/D (PWSID NC4392233) is an active community water system in Wake County, North Carolina. It reports serving 69 people through 27 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, none is health-based, and the most recent began in July 2005.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
69
Service connections
27
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Monterrey S/D compare with other water systems in Wake County?
By EPA's size categories, Monterrey S/D is a very small system (500 people or fewer). Wake County has 441 active public water systems. Its population served is well below the county average of 2,633 people per system, and accounts for less than 0.1% of the 1,161,234 people reported by systems filed under the county. Across North Carolina, the 5,087 active systems average 1,971 people each. Nationally, the average active community water system reports serving 6,703 people, so Monterrey S/D 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. North Carolina has 2,031 active community water systems, 40% of the state's 5,087 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,566 North Carolina systems (90%) list groundwater as their primary source.
Who owns and regulates Monterrey S/D?
EPA lists Monterrey S/D as privately owned. The NC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 421 of the 441 active systems in Wake County (95%) are also privately owned.
Does Monterrey S/D have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2005. The violations listed here began between April 2003 and July 2005. By type: 9 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Public Notice (2 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 |
|---|---|---|---|---|
| 2005-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-09-20 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2003-11-25 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfonecode 2044 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | 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.
Monterrey S/D: frequently asked questions
Who runs Monterrey S/D?
Monterrey S/D (PWSID NC4392233) is a community water system privately owned. It is regulated by the NC state drinking water program.
How many people does Monterrey S/D serve?
Monterrey S/D reports serving 69 people through 27 service connections in Wake County, North Carolina.
Where does Monterrey S/D 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 Monterrey S/D have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2005. 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 Monterrey S/D'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, none is health-based, and the most recent began in July 2005. For current results, consult the system's annual water quality report, EPA ECHO, or the NC state drinking water program.
Where can I find Monterrey S/D's water quality report?
As a community water system, Monterrey S/D 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 Wake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Raleigh, City of | Wake | 650,000 | Community | Surface water |
| Cary, Town of | Wake | 227,300 | Community | Surface water |
| Apex, Town of | Wake | 83,001 | Community | Purchased surface water |
| Holly Springs, Town of | Wake | 51,947 | Community | Purchased surface water |
| Fuquay-Varina, Town of | Wake | 42,954 | Community | Purchased surface water |
| Bayleaf Master | Wake | 16,715 | 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, “Monterrey S/D, PWSID NC4392233, North Carolina”, https://aquacensus.com/water-systems/north-carolina/monterrey-s-d-nc4392233 (data as of October 1, 2026).