Public water system record
Montrose Improvement District
On record as serving Westchester County, NY · Serves 3,100 people
Federal records show no health-based violations and 4 monitoring/reporting issues for Montrose Improvement District in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Montrose Improvement District buys its water from Northern Westchester Joint Water Works.
- Record on file since 1992, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 4 unknown out of 851 service lines.
Check whether Montrose Improvement District serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 1992
EPA's records for Montrose Improvement District go back to 1992. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 0 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began March 1994, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 1994 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 1994 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1993 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1992 | Resolved |
Where the water comes from
Montrose Improvement District buys its water from Northern Westchester Joint Water Works. It lists no wells or intakes of its own. 2 other community water systems buy water from Montrose Improvement District.
Buys water from
- Northern Westchester Joint Water Works Cortlandt Manor, NY
Community systems that buy water from it
- Buchanan Village Brewster, NY
- Cortlandt Consolidated WD Cortlandt Manor, NY
Annual water quality report
Montrose Improvement District must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by New York.
Certified drinking water labs by state EPA guidance for private wells