Long Lake Colony
Published drinking-water records and contacts for Long Lake Colony. System SD4602051. Review sources and dates; not a real-time water assessment.
- System ID
- SD4602051
- State or territory
- SD
- Published population served
- 100
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 14 — 1993-07-01 – 2025-12-31
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
Lead and copper: 90th-percentile summaries
These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0 mg/L | 2025-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2022-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.009 mg/L | 2019-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2016-01-01 – 2016-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2013-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0.001 mg/L | 2010-01-01 – 2010-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2007-01-01 – 2007-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2004-01-01 – 2004-12-31 | 2026Q3 |
Published compliance history
18 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1995-12-01 – 1995-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1995-10-01 – 1995-10-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1995-04-01 – 1995-04-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1993-03-09 – 1993-04-08 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1992-12-01 – 1992-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Major (TCR) | 1992-11-01 – 1992-11-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1992-08-05 – 1992-09-04 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1992-05-01 – 1992-05-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1992-03-17 – 1992-04-16 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1992-02-01 – 1992-02-29 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1991-12-01 – 1991-12-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1991-10-10 – 1991-11-09 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1991-07-10 – 1991-08-09 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1991-07-01 – 1991-07-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1991-04-01 – 1991-04-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Major (TCR) | 1991-03-01 – 1991-03-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1991-01-01 – 1991-01-31 | Archived | No | 2026Q3 |
| Radionuclides and Revised Rad Rule / Monitoring, Regular | 1987-11-28 – 1991-11-27 | Archived | No | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
Administrative contact (EPA filing)
Long Lake Colony: 6054393410
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.