Public water system · NC0180654
ActiveKnollwood Elem School
At a glance
Knollwood Elem School (PWSID NC0180654) is an active non-transient non-community water system in Rowan County, North Carolina. It reports serving 750 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
750
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Knollwood Elem School compare with other water systems in Rowan County?
By EPA's size categories, Knollwood Elem School is a small system (501 to 3,300 people). Rowan County has 194 active public water systems. Its population served is roughly in line with the county average of 700 people per system, and accounts for 0.6% of the 135,810 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 non-transient non-community water system reports serving 430 people, so Knollwood Elem School is about 74% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. North Carolina has 311 active non-transient non-community water systems, 6.1% 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 Knollwood Elem School?
EPA lists Knollwood Elem School as owned by a local government. 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. 21 of the 194 active systems in Rowan County (11%) are also owned by a local government.
Does Knollwood Elem School have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026. The violations listed here began between April 2008 and January 2026. By type: 9 monitoring and reporting, 1 monitoring, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule Revisions (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 |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2025-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2019-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | 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.
Knollwood Elem School: frequently asked questions
Who runs Knollwood Elem School?
Knollwood Elem School (PWSID NC0180654) is a non-transient non-community water system owned by a local government. It is regulated by the NC state drinking water program.
How many people does Knollwood Elem School serve?
Knollwood Elem School reports serving 750 people through 1 service connection in Rowan County, North Carolina.
Where does Knollwood Elem School 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 Knollwood Elem School have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 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 Knollwood Elem School'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, one is health-based, and the most recent began in January 2026. For current results, consult EPA ECHO, or the NC state drinking water program.
Where can I find Knollwood Elem School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Knollwood Elem School is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Rowan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kannapolis, City of | Rowan | 56,050 | Community | Surface water |
| Salisbury-Rowan | Rowan | 46,156 | Community | Surface water |
| Landis, Town of | Rowan | 5,510 | Community | Purchased surface water |
| China Grove, Town of | Rowan | 4,895 | Community | Purchased surface water |
| East Spencer, Town of | Rowan | 1,550 | Community | Purchased surface water |
| Faith, Town of | Rowan | 1,316 | 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, “Knollwood Elem School, PWSID NC0180654, North Carolina”, https://aquacensus.com/water-systems/north-carolina/knollwood-elem-school-nc0180654 (data as of October 1, 2026).