City of Clarkson
Published drinking-water records and contacts for City of Clarkson. System NE3103703. Review sources and dates; not a real-time water assessment.
- System ID
- NE3103703
- State or territory
- NE
- Published population served
- 641
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 11 — 2002-01-01 – 2026-12-31
- Nebraska selected chemical sample panels: 3 — 2026-02-17 – 2026-06-24
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 | 2024-01-01 – 2026-12-31 | 2026Q3 |
| Copper (CU90) | 1.68 mg/L | 2024-01-01 – 2026-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2021-01-01 – 2023-12-31 | 2026Q3 |
| Lead (PB90) | 0.000544 mg/L | 2018-01-01 – 2020-12-31 | 2026Q3 |
| Lead (PB90) | 0.00134 mg/L | 2015-01-01 – 2017-12-31 | 2026Q3 |
| Lead (PB90) | 0.0011 mg/L | 2012-01-01 – 2014-12-31 | 2026Q3 |
| Lead (PB90) | 0.00101 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0.0012 mg/L | 2008-01-01 – 2010-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| ARSENIC | 3.90 µg/L | 2026-06-24 | EP1 / Nebraska selected chemical sample panels |
| NITRATE-NITRITE | 0.704 mg/L | 2026-02-17 | EP1 / Nebraska selected chemical sample panels |
| NITRATE-NITRITE | 0.272 mg/L | 2026-02-17 | EP1 / Nebraska selected chemical sample panels |
State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.
Download state records with source notes (CSV)
Published compliance history
2 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 Revisions / LSL Reporting | 2024-10-17 – — | Unaddressed | No | 2026Q3 |
| Inorganic Chemicals / Maximum Contaminant Level Violation, Single Sample | 1977-12-06 – 1978-01-05 | Archived | Yes | 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
- Nebraska selected chemical sample panels — last successful check: 2026-10-17
Administrative contact (EPA filing)
Hake, Adam: 402-892-3100
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.