Public water system record
Cuii - Twin Lakes
Serves Crown Point, Lakes of the Four Seasons and Winfield, Lake County and Porter County, IN · 8,000 people served
Federal records show no health-based violations and 4 monitoring/reporting issues for Cuii - Twin Lakes 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
- Cuii - Twin Lakes draws water from 8 wells.
- Record on file since 1980, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 586 unknown out of 3,214 service lines.
Check whether Cuii - Twin Lakes 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
|
Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 11, 2021 | Resolved |
Full record since 1980
EPA's records for Cuii - Twin Lakes go back to 1980. Before October 19, 2016 they list no health-based violations and 12 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 0 | 9 |
| 2000s | 0 | 1 |
| 2020s | 0 | 4 |
Where the water comes from
Cuii - Twin Lakes draws water from 8 wells.
Annual water quality report
Cuii - Twin Lakes 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 Indiana.
Certified drinking water labs by state EPA guidance for private wells