No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2021.
Serves about 5,740 people (1,825 connections) with groundwater from its own wells.
From EPA's record for CO0121475. PurityMap is independent of Town of Monument.
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9 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From July 2021 | Combined radium-226/228 | 6.04 pCi/L | 5 pCi/L | Resolved |
| From April 2021 | Combined radium-226/228 | 7.2 pCi/L | 5 pCi/L | Resolved |
| From January 2021 | Combined radium-226/228 | 7.53 pCi/L | 5 pCi/L | Resolved |
| From October 2020 | Combined radium-226/228 | 6.58 pCi/L | 5 pCi/L | Resolved |
| From July 2020 | Combined radium-226/228 | 5.67 pCi/L | 5 pCi/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From July 2017 | Combined radium-226/228 | 5.6 pCi/L | 5 pCi/L | Resolved |
| From April 2017 | Combined radium-226/228 | 6.22 pCi/L | 5 pCi/L | Resolved |
| From January 2017 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From October 2016 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from June 2024 to December 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 33 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-10 to 2024-12-02 | UCMR5 Analytical Results: MONUMENT TOWN OF (CO0121475) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →Town of Monument's phone number on EPA record is 719-499-1126. Its mailing address is 645 BEACON LITE RD, MONUMENT, CO 80132.
According to EPA's record, Town of Monument uses groundwater from its own wells.
EPA's record shows 9 health-based violations for Town of Monument in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting July 2021. EPA also lists 4 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Town of Monument's latest lead and copper round, which ended in December 2025, was 0.4 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Town of Monument. Its phone number on EPA record is 719-499-1126. Its mailing address on EPA record is 645 BEACON LITE RD, MONUMENT, CO 80132. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.