Public water system · NY3202411
ActiveMvwa - Mohawk Valley Water Authority
At a glance
Mvwa - Mohawk Valley Water Authority (PWSID NY3202411) is an active community water system in Oneida County, New York. It reports serving 126,250 people through 38,900 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in December 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
126,250
Service connections
38,900
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Mvwa - Mohawk Valley Water Authority compare with other water systems in Oneida County?
By EPA's size categories, Mvwa - Mohawk Valley Water Authority is a very large system (more than 100,000 people). Oneida County has 128 active public water systems, and Mvwa - Mohawk Valley Water Authority is the largest of them by population served. Its population served is about 79 times the county average of 1,589 people per system, and accounts for 62% of the 203,422 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 Mvwa - Mohawk Valley Water Authority is about 19 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 296 New York systems (3.6%) list surface water as their primary source.
Who owns and regulates Mvwa - Mohawk Valley Water Authority?
EPA lists Mvwa - Mohawk Valley Water Authority 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. 26 of the 128 active systems in Oneida County (20%) are also owned by a local government.
Does Mvwa - Mohawk Valley Water Authority have drinking water violations?
Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in December 2017. The violations listed here began between May 1993 and December 2017. By type: 4 contaminant level above the legal limit, 3 monitoring and reporting, 2 required treatment not met, 2 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2017-12-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2017-09-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2016-09-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2013-06-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2006-11-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2005-10-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2003-05-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 1993-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Mvwa - Mohawk Valley Water Authority: frequently asked questions
Who runs Mvwa - Mohawk Valley Water Authority?
Mvwa - Mohawk Valley Water Authority (PWSID NY3202411) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Mvwa - Mohawk Valley Water Authority serve?
Mvwa - Mohawk Valley Water Authority reports serving 126,250 people through 38,900 service connections in Oneida County, New York.
Where does Mvwa - Mohawk Valley Water Authority get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Mvwa - Mohawk Valley Water Authority have any drinking water violations?
Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in December 2017. 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 Mvwa - Mohawk Valley Water Authority'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, 6 are health-based, and the most recent began in December 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Mvwa - Mohawk Valley Water Authority's water quality report?
As a community water system, Mvwa - Mohawk Valley Water Authority 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 Oneida County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rome City | Oneida | 31,795 | Community | Surface water |
| Lee Water District | Oneida | 3,150 | Community | Purchased surface water |
| Sherrill - Kenwood Wd | Oneida | 3,142 | Community | Purchased surface water |
| Clinton Village | Oneida | 3,000 | Community | Groundwater |
| Camden Village (Gu) | Oneida | 2,800 | Community | Groundwater under influence of surface water |
| Sauquoit Consolidated Wd (T/O/Paris) | Oneida | 2,700 | 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, “Mvwa - Mohawk Valley Water Authority, PWSID NY3202411, New York”, https://aquacensus.com/water-systems/new-york/mvwa-mohawk-valley-water-authority-ny3202411 (data as of October 1, 2026).