Troll Knoll S/D
Published drinking-water records and contacts for Troll Knoll S/D. System AK2210778. Review sources and dates; not a real-time water assessment.
- System ID
- AK2210778
- State or territory
- AK
- Published population served
- 99
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 19 — 1994-07-01 – 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) | 0.00072 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.00081 mg/L | 2022-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.0032 mg/L | 2021-01-01 – 2021-12-31 | 2026Q3 |
| Lead (PB90) | 0.00309 mg/L | 2020-07-01 – 2020-12-31 | 2026Q3 |
| Lead (PB90) | 0.006 mg/L | 2020-01-01 – 2020-06-30 | 2026Q3 |
| Lead (PB90) | 0.00362 mg/L | 2019-07-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2018-07-01 – 2018-12-31 | 2026Q3 |
| Lead (PB90) | 0.0026 mg/L | 2015-01-01 – 2017-12-31 | 2026Q3 |
Published compliance history
47 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 |
|---|---|---|---|---|
| Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting | 2021-10-01 – — | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2019-07-01 – — | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2018-07-01 – — | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2018-01-01 – — | Resolved | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 2018-01-01 – 2018-12-31 | Resolved | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting | 2017-10-01 – — | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2017-07-01 – — | Resolved | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report | 2017-07-01 – — | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2017-05-01 – 2017-05-31 | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2017-01-01 – 2017-01-31 | Resolved | No | 2026Q3 |
| Total Coliform Rule / Sanitary Survey (TCR) | 2006-01-01 – 2006-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2000-11-01 – 2000-11-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR) | 2000-04-01 – 2000-04-30 | Archived | Yes | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1999-11-01 – 1999-11-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1998-02-01 – 1998-02-28 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1997-08-01 – 1997-08-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1994-08-01 – 1994-08-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1994-03-01 – 1994-03-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1994-02-01 – 1994-02-28 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1994-01-01 – 1994-01-31 | 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)
Herning, Ben: 907-301-9137
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.