San Juan River Village Md
Published drinking-water records and contacts for San Juan River Village Md. System CO0104900. Review sources and dates; not a real-time water assessment.
- System ID
- CO0104900
- State or territory
- CO
- Published population served
- 877
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 17 — 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) | 0.003 mg/L | 2025-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.004 mg/L | 2024-01-01 – 2024-12-31 | 2026Q3 |
| Lead (PB90) | 0.0061 mg/L | 2023-01-01 – 2023-12-31 | 2026Q3 |
| Lead (PB90) | 0.0061 mg/L | 2022-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.0055 mg/L | 2021-01-01 – 2021-12-31 | 2026Q3 |
| Lead (PB90) | 0.0027 mg/L | 2020-01-01 – 2020-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2019-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0.0043 mg/L | 2018-01-01 – 2018-12-31 | 2026Q3 |
Published compliance history
27 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 |
|---|---|---|---|---|
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2022-10-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2022-10-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter) | 2022-09-01 – 2022-09-30 | Resolved | No | 2026Q3 |
| Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Monitoring, Turbidity (Enhanced SWTR) | 2022-09-01 – 2022-09-30 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2022-07-01 – 2022-09-30 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2022-07-01 – 2022-09-30 | Resolved | No | 2026Q3 |
| Arsenic Rule / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2022-01-01 – 2022-12-31 | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2021-10-01 – — | Resolved | No | 2026Q3 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule / Treatment Technique No Certif. Operator | 2020-01-01 – — | Resolved | Yes | 2026Q3 |
| Lead and Copper Rule / Lead Consumer Notice | 2018-01-01 – — | Resolved | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1991-06-01 – 1991-06-30 | 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)
Purcell, Cynthia: 970-264-6451
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.