CROWN POINT, IN · Lake County
CUII - TWIN LAKES Water System
Consumer Confidence Report status
CUII - TWIN LAKES must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for CUII - TWIN LAKES.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Indiana’s official records. Always confirm current status with Indiana before making decisions based on this information.
System facts
- System ID (PWSID)
- IN5245046
- System type
- Community Water System
- Population served
- 8,000
- Service connections
- 3,253
- Ownership
- privately owned
- Water source
- groundwater (wells)
CUII - TWIN LAKES is one of 128 community water systems in Indiana in the 3,301 to 10,000 people size category, serving 8,000 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1980, all of which EPA lists as closed. Nothing has been added since 1980.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—Gross Alpha, Excl. Radon and U
June 30, 1980 – September 29, 1980
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 30, 1980 – September 29, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 28, 2024State Public Notification requested27 linked violations
- February 28, 2023State Violation/Reminder Notice30 linked violations
- June 28, 2022State Public Notification received1 linked violation
- December 14, 2021State Compliance achieved1 linked violation
- November 24, 2021State Public Notification requested1 linked violation
- November 24, 2021State Violation/Reminder Notice1 linked violation
- August 10, 2001State Public Notification requested4 linked violations
- November 15, 2000State Compliance achieved12 linked violations
- October 3, 2000State Compliance achieved11 linked violations
Common questions
Is CUII - TWIN LAKES required to publish a Consumer Confidence Report?
- Yes. CUII - TWIN LAKES is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CUII - TWIN LAKES’s next Consumer Confidence Report due?
- CUII - TWIN LAKES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CUII - TWIN LAKES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CUII - TWIN LAKES.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
PETERS, TANYA
219-252-4877
CROWN POINT, IN 46307