Rio De Arenas
Published drinking-water records and contacts for Rio De Arenas. System NM3556109. Review sources and dates; not a real-time water assessment.
- System ID
- NM3556109
- State or territory
- NM
- Published population served
- 205
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 16 — 1995-07-01 – 2025-12-31
- New Mexico selected chemical sample panels: 13 — 2026-03-10 – 2026-04-21
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) | 0.002 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.001 mg/L | 2020-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.0011 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0.0036 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2010-01-01 – 2010-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2009-01-01 – 2009-12-31 | 2026Q3 |
| Lead (PB90) | 0.0031 mg/L | 2008-01-01 – 2008-12-31 | 2026Q3 |
| Lead (PB90) | 0.00429 mg/L | 2007-01-01 – 2007-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| NITRATE-NITRITE | 4.82 mg/L | 2026-04-21 | SP561090101 / New Mexico selected chemical sample panels |
| NITRATE-NITRITE | 5.38 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| ARSENIC | < 0.001 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| BARIUM | 0.026 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| CADMIUM | < 0.001 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| CHROMIUM | < 0.02 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| MERCURY | < 0.0002 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| NICKEL | < 0.01 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| SELENIUM | < 0.005 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| SODIUM | 46.00 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| ANTIMONY, TOTAL | < 0.001 mg/L | 2026-03-10 | SP561090101 / New Mexico selected chemical sample panels |
| BERYLLIUM, TOTAL | < 0.001 mg/L | 2026-03-10 | SP561090101 / New Mexico 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
39 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 – — | Resolved | No | 2026Q3 |
| Lead and Copper Rule Revisions / LSL Inventory | 2024-10-17 – — | Resolved | Yes | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting | 2021-10-01 – — | Resolved | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report | 2021-07-01 – — | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2020-10-02 – — | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2020-10-02 – — | Resolved | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting | 2020-10-01 – — | Resolved | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report | 2020-07-01 – — | Resolved | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting | 2019-10-01 – — | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2019-07-19 – — | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2019-07-19 – — | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2019-07-19 – — | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2019-07-19 – — | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2019-07-19 – — | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2019-07-19 – — | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2019-07-19 – — | Resolved | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report | 2019-07-01 – — | Resolved | No | 2026Q3 |
| Ground Water Rule / Failure To Address Deficiency | 2019-05-01 – — | Addressed | Yes | 2026Q3 |
| Ground Water Rule / Failure To Address Deficiency | 2019-05-01 – — | Resolved | Yes | 2026Q3 |
| Ground Water Rule / Failure To Address Deficiency | 2019-05-01 – — | Resolved | 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
- New Mexico selected chemical sample panels — last successful check: 2026-10-11
Administrative contact (EPA filing)
Young, Josh: 858-413-5116
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.