WATERTOWN CITY
PWSID: NY2202346 · Watertown, NY · Serves 27,861 people
According to EPA Safe Drinking Water Information System (SDWIS), WATERTOWN CITY (PWSID NY2202346) in Watertown, NY is listed as a CWS water system covering about 27,861 people. The same extract lists 22 health-based violation records spanning 2017-2025. Those 22 health-based rows for WATERTOWN CITY cover contaminants such as TTHM, Total Haloacetic Acids (HAA5), Interim Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
WATERTOWN CITY has 22 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including TTHM, Total Haloacetic Acids (HAA5), Interim Enhanced Surface Water Treatment Rule. Recorded violations span 2017–2025. Day-to-day primacy enforcement for this system runs through the New York drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the New York state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- NY2202346
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Watertown, NY
- Population Served
- 27,861
- Health Violations
- Yes (22)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 17 | 17 |
| Total Haloacetic Acids (HAA5) | 4 | 4 |
| Interim Enhanced Surface Water Treatment Rule | 1 | 1 |
Violation History (22)
| Contaminant | Health | Date |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Yes | Dec 1, 2025 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Jul 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2018 |
| TTHM | Yes | Oct 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2017 |
| TTHM | Yes | Jul 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for WATERTOWN CITY?
How many people does WATERTOWN CITY serve?
What violations does WATERTOWN CITY have?
What contaminants have been found in WATERTOWN CITY water?
Compare beyond New York
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WATERTOWN CITY on cumulative violation count (22) and EPA-reported population served (27,861). Violation-count peers include TWIN BUTTES WATER PLANT, MARION COUNTY PUBLIC WATER AUTHORITY, TAYLOR WATERWORKS. Population peers include FARMINGTON CITY WATER SYSTEM, SAUGUS WATER DEPT. (MWRA), NEW BERLIN WATER UTILITY.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
WATERTOWN CITY (NY2202346) is drawn from EPA SDWIS. Nearby county systems in this extract include FORT DRUM; LERAY TOWN WD 1, 2, 4; CARTHAGE VILLAGE; CAPE VINCENT TOWN WD 1 & 5. Health-based rows (22 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.