Public water system · NY4520559
ActiveKnolls Atomic Power Lab (Kapl)
At a glance
Knolls Atomic Power Lab (Kapl) (PWSID NY4520559) is an active non-transient non-community water system in Saratoga County, New York. It reports serving 2,200 people through 80 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in March 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,200
Service connections
80
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Knolls Atomic Power Lab (Kapl) compare with other water systems in Saratoga County?
By EPA's size categories, Knolls Atomic Power Lab (Kapl) is a small system (501 to 3,300 people). Saratoga County has 216 active public water systems. Its population served is about 140% above the county average of 916 people per system, and accounts for 1.1% of the 197,820 people reported by systems filed under the county. Across New York, the 8,167 active systems average 2,374 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Knolls Atomic Power Lab (Kapl) is about 5.1 times 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. New York has 704 active non-transient non-community water systems, 8.6% of the state's 8,167 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 7,096 New York systems (87%) list groundwater as their primary source.
Who owns and regulates Knolls Atomic Power Lab (Kapl)?
EPA lists Knolls Atomic Power Lab (Kapl) as owned by the federal government. The NY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 216 active systems in Saratoga County (0.9%) are also owned by the federal government.
Does Knolls Atomic Power Lab (Kapl) have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in March 1993. The violations listed here began between March 1993 and March 1993. By type: 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1993-03-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 1993-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Knolls Atomic Power Lab (Kapl): frequently asked questions
Who runs Knolls Atomic Power Lab (Kapl)?
Knolls Atomic Power Lab (Kapl) (PWSID NY4520559) is a non-transient non-community water system owned by the federal government. It is regulated by the NY state drinking water program.
How many people does Knolls Atomic Power Lab (Kapl) serve?
Knolls Atomic Power Lab (Kapl) reports serving 2,200 people through 80 service connections in Saratoga County, New York.
Where does Knolls Atomic Power Lab (Kapl) 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 Knolls Atomic Power Lab (Kapl) have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in March 1993. 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 Knolls Atomic Power Lab (Kapl)'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 March 1993. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Knolls Atomic Power Lab (Kapl)'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Knolls Atomic Power Lab (Kapl) 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 Saratoga County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Clifton Park Water Authority | Saratoga | 35,000 | Community | Purchased surface water |
| Saratoga Springs City | Saratoga | 26,525 | Community | Surface water |
| Halfmoon Water District (Troy) | Saratoga | 15,000 | Community | Purchased surface water |
| Burnt Hills-Ballston Lk Wd | Saratoga | 10,000 | Community | Purchased surface water |
| Waterford Water Works (Purchase Troy) | Saratoga | 9,800 | Community | Purchased surface water |
| Wilton Water & Sewer Authority | Saratoga | 9,490 | Community | Purchased surface water |
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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, “Knolls Atomic Power Lab (Kapl), PWSID NY4520559, New York”, https://aquacensus.com/water-systems/new-york/knolls-atomic-power-lab-kapl-ny4520559 (data as of October 1, 2026).