ITHACA CITY
New York — Community Water System — PWSID: NY5404416
System Information
| PWSID | NY5404416 |
| System Name | ITHACA CITY |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 29, 1981 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | New York |
| City | ITHACA |
| ZIP Code | 14850 |
| Address | 202 |
| Organization | JOHNSTON, ROXY |
| Phone | 607-273-4680 |
Population & Service
| Population Served | 29,457 |
| Service Connections | 5,518 |
Drinking Water Violations (9)
This water system has 9 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Dec 4, 2024 | Lead and Copper Rule Revisions |
| Feb 1, 2020 | Feb 29, 2020 | Chlorine dioxide | MRDL | Yes | No | 1.58 MG/L | 0.8 mg/L | .8 | Resolved | Feb 29, 2020 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2020 | Feb 29, 2020 | Chlorine dioxide | MRDL | Yes | No | 1.58 MG/L | 0.8 mg/L | .8 | Resolved | Feb 29, 2020 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Sep 30, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Sep 30, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Sep 30, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Jul 31, 2016 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jul 31, 2016 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Jul 1, 2016 | Jul 31, 2016 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jul 31, 2016 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Jul 1, 2016 | Jul 31, 2016 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jul 31, 2016 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.