Public water system · NY2221333
ActiveSouthside Water Inc..
At a glance
Southside Water Inc.. (PWSID NY2221333) is an active community water system in Jefferson County, New York. It reports serving 195 people through 115 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 8 are health-based, and the most recent began in October 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
195
Service connections
115
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Southside Water Inc.. compare with other water systems in Jefferson County?
By EPA's size categories, Southside Water Inc.. is a very small system (500 people or fewer). Jefferson County has 157 active public water systems. Its population served is well below the county average of 832 people per system, and accounts for 0.1% of the 130,600 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 Southside Water Inc.. 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 399 New York systems (4.9%) list purchased surface water as their primary source.
Who owns and regulates Southside Water Inc..?
EPA lists Southside Water Inc.. as privately owned. 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. 93 of the 157 active systems in Jefferson County (59%) are also privately owned.
Does Southside Water Inc.. have drinking water violations?
EPA's records list 9 violations for this system; 8 are health-based, and the most recent began in October 2021. The violations listed here began between October 1999 and October 2021. By type: 8 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (7 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Archived |
| 2016-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 9 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.
Southside Water Inc..: frequently asked questions
Who runs Southside Water Inc..?
Southside Water Inc.. (PWSID NY2221333) is a community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Southside Water Inc.. serve?
Southside Water Inc.. reports serving 195 people through 115 service connections in Jefferson County, New York.
Where does Southside Water Inc.. get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Southside Water Inc.. have any drinking water violations?
EPA's records list 9 violations for this system; 8 are health-based, and the most recent began in October 2021. 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 Southside Water Inc..'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 9 violations for this system; 8 are health-based, and the most recent began in October 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Southside Water Inc..'s water quality report?
As a community water system, Southside Water Inc.. 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fort Drum | Jefferson | 34,000 | Community | Purchased surface water |
| Watertown City | Jefferson | 27,861 | Community | Surface water |
| Leray Town Wd 1, 2, 4 | Jefferson | 7,140 | Community | Groundwater |
| Carthage Village | Jefferson | 3,600 | Community | Surface water |
| Cape Vincent Town Wd 1 & 5 | Jefferson | 2,600 | Community | Purchased surface water |
| Sackets Harbor Village | Jefferson | 2,200 | Community | 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, “Southside Water Inc.., PWSID NY2221333, New York”, https://aquacensus.com/water-systems/new-york/southside-water-inc-ny2221333 (data as of October 1, 2026).