Public water system · NY4500165
ActiveHadley South Wd#1
At a glance
Hadley South Wd#1 (PWSID NY4500165) is an active community water system in Saratoga County, New York. It reports serving 800 people through 275 service connections. 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, none is health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
800
Service connections
275
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hadley South Wd#1 compare with other water systems in Saratoga County?
By EPA's size categories, Hadley South Wd#1 is a small system (501 to 3,300 people). Saratoga County has 216 active public water systems. Its population served is about 13% below the county average of 916 people per system, and accounts for 0.4% 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 community water system reports serving 6,703 people, so Hadley South Wd#1 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. New York has 2,281 active community water systems, 28% 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 Hadley South Wd#1?
EPA lists Hadley South Wd#1 as owned by a local 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. 30 of the 216 active systems in Saratoga County (14%) are also owned by a local government.
Does Hadley South Wd#1 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. The violations listed here began between May 1980 and January 2023. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 7 as resolved and 5 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 |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-09-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2007-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1994-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1980-05-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Archived |
| 1980-05-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Archived |
| 1980-05-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Archived |
| 1980-05-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Archived |
| 1980-05-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
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.
Hadley South Wd#1: frequently asked questions
Who runs Hadley South Wd#1?
Hadley South Wd#1 (PWSID NY4500165) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Hadley South Wd#1 serve?
Hadley South Wd#1 reports serving 800 people through 275 service connections in Saratoga County, New York.
Where does Hadley South Wd#1 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 Hadley South Wd#1 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 January 2023. 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 Hadley South Wd#1'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 January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Hadley South Wd#1's water quality report?
As a community water system, Hadley South Wd#1 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 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, “Hadley South Wd#1, PWSID NY4500165, New York”, https://aquacensus.com/water-systems/new-york/hadley-south-wd-1-ny4500165 (data as of October 1, 2026).