Riverside Colony
Published drinking-water records and contacts for Riverside Colony. System SD4602040. Review sources and dates; not a real-time water assessment.
- System ID
- SD4602040
- State or territory
- SD
- Published population served
- 80
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 15 — 1994-01-01 – 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 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 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
40 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 |
|---|---|---|---|---|
| Lead and Copper Rule / Lead Consumer Notice | 2017-01-01 – 2019-06-29 | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Notification, Public | 2000-08-13 – 2000-09-12 | Archived | No | 2026Q3 |
| Lead and Copper Rule / Notification, Public | 2000-02-13 – 2000-03-12 | Archived | No | 2026Q3 |
| Lead and Copper Rule / Notification, Public | 1999-11-14 – 1999-12-13 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1999-11-01 – 1999-11-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1999-10-01 – 1999-10-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1999-02-01 – 1999-02-28 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1999-01-01 – 1999-01-31 | Archived | No | 2026Q3 |
| Lead and Copper Rule / Notification, Public | 1998-09-14 – 1998-10-13 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1998-05-01 – 1998-05-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1997-11-01 – 1997-11-30 | Archived | No | 2026Q3 |
| Lead and Copper Rule / Notification, Public | 1997-09-15 – 1997-10-14 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1997-04-01 – 1997-04-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1997-01-01 – 1997-01-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1996-10-14 – 1996-11-13 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1996-06-01 – 1996-06-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1996-05-01 – 1996-05-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1995-03-01 – 1995-03-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1994-12-01 – 1994-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1993-11-01 – 1993-11-30 | 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)
Riverside Colony: 6053527462
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.