Public water system · NY0701011
ActiveBig Flats Water District 5
At a glance
Big Flats Water District 5 (PWSID NY0701011) is an active community water system in Chemung County, New York. It reports serving 8,489 people through 1,580 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in November 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,489
Service connections
1,580
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Big Flats Water District 5 compare with other water systems in Chemung County?
By EPA's size categories, Big Flats Water District 5 is a medium system (3,301 to 10,000 people). Chemung County has 77 active public water systems, and Big Flats Water District 5 is the 4th-largest of them by population served. Its population served is about 5.4 times the county average of 1,561 people per system, and accounts for 7.1% of the 120,180 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 Big Flats Water District 5 is about 27% above 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 Big Flats Water District 5?
EPA lists Big Flats Water District 5 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. 13 of the 77 active systems in Chemung County (17%) are also owned by a local government.
Does Big Flats Water District 5 have drinking water violations?
EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in November 2015. The violations listed here began between September 1994 and November 2015. By type: 5 monitoring and reporting and 4 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (5 of them). EPA lists 9 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 |
|---|---|---|---|---|
| 2015-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2001-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2001-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1998-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1995-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 1994-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | 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.
Big Flats Water District 5: frequently asked questions
Who runs Big Flats Water District 5?
Big Flats Water District 5 (PWSID NY0701011) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Big Flats Water District 5 serve?
Big Flats Water District 5 reports serving 8,489 people through 1,580 service connections in Chemung County, New York.
Where does Big Flats Water District 5 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 Big Flats Water District 5 have any drinking water violations?
EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in November 2015. 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 Big Flats Water District 5'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; 4 are health-based, and the most recent began in November 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Big Flats Water District 5's water quality report?
As a community water system, Big Flats Water District 5 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 Chemung County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Elmira Water Board | Chemung | 54,000 | Community | Surface water |
| Chemung County Fairgrounds | Chemung | 32,800 | Transient non-community | Purchased surface water |
| Horseheads Village | Chemung | 15,000 | Community | Groundwater under influence of surface water |
| Park Station Recreation Center | Chemung | 1,560 | Transient non-community | Groundwater |
| His Tabernacle Family Church | Chemung | 850 | Transient non-community | Groundwater |
| Wellsburg Village | Chemung | 580 | Community | Purchased surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Big Flats Water District 5, PWSID NY0701011, New York”, https://aquacensus.com/water-systems/new-york/big-flats-water-district-5-ny0701011 (data as of October 1, 2026).