Hydrohistorian
Town of Two Buttes
Serves Two Buttes.
Modelled boundary. EPA estimated this service area (Random Forest) rather than tracing a utility-supplied map; treat the edge as approximate. About 1 km².
Where the water comes from
| Facility | Kind | Water |
|---|---|---|
| NO 1 WELL | Well | Groundwater |
These are EPA's facility records, not DWR structures. Which decreed rights sit behind an intake is the next phase; nothing here is inferred.
DWR structures that name this system
Source Probable join · fetched 2026-09-09 · matched on DWR's recorded contact or an EPA intake name; verify on the dossier
No DWR structure on file records this system as its contact, and none of its EPA intakes matches a structure name in its districts. DWR records a contact on only a fraction of structures, and only for districts fetched from its live service, so this is absence of a record, not evidence of no rights.
Compliance record
Source Register of another agency · fetched 2026-09-09 · verify at EPA ECHO ↗
EPA lists this system as a serious violator. What that means for anyone drinking the water depends on the contaminant and the dose; read EPA's own report and the system's Consumer Confidence Report rather than anything inferred here.
EPA's own summary: violations in 12 of the last 12 quarters, significant non-compliance in 5. In violation for, in EPA's words: 0999=Chlorine; 4010=Combined Radium (-226 and -228); 8000=Revised Total Coliform Rule. Currently: 4010=Combined Radium (-226 and -228).
What happened
All 9 violation records on file, grouped into the 2 distinct things EPA's codes describe. Dates are the compliance period the violation is filed against.
Rule: Radionuclides -- radium, uranium and gross alpha.
Rule: Stage 1 Disinfectants and Disinfection Byproducts Rule.
Every violation record, as filed (9 of 9)
| Compliance period | What | About | Kind | Status | Measured |
|---|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | MCL, Average | Combined Radium (-226 and -228) | health-based | known, archived | 6.0 PCI/L (limit 5.0) |
| 2025-10-01 – 2025-12-31 | MCL, Average | Combined Radium (-226 and -228) | health-based | known, archived | 6.0 PCI/L (limit 5.0) |
| 2025-07-01 – 2025-09-30 | MCL, Average | Combined Radium (-226 and -228) | health-based | known, archived | 6.0 PCI/L (limit 5.0) |
| 2025-04-01 – 2025-06-30 | MCL, Average | Combined Radium (-226 and -228) | health-based | known, archived | 7.0 PCI/L (limit 5.0) |
| 2025-01-01 – 2025-03-31 | MCL, Average | Combined Radium (-226 and -228) | health-based | known, archived | 6.0 PCI/L (limit 5.0) |
| 2024-08-01 | Treatment Technique No Certif. Operator | DBP Stage 1 | health-based | returned to compliance (2024-11-06) | |
| 2023-10-01 – 2023-12-31 | MCL, Average | Combined Radium (-226 and -228) | health-based | returned to compliance (2024-06-26) | 6.28 PCI/L (limit 5.0) |
| 2023-03-01 | Treatment Technique No Certif. Operator | DBP Stage 1 | health-based | returned to compliance (2023-04-20) | |
| 2016-05-01 | Treatment Technique No Certif. Operator | DBP Stage 1 | health-based | returned to compliance (2016-06-27) |
What the regulator did about it
107 enforcement actions on this system's federal record. In Colorado the state is the primacy agency, so most actions are the state's; EPA acts directly on tribal systems and when it steps in.
| Date | Action | By |
|---|---|---|
| 2026-03-24 | St Violation/Reminder Notice | state |
| 2026-03-24 | St Public Notif requested | state |
| 2026-02-13 | St Public Notif received PN & COD for 4Q2025 4010 MCL received 02/13/26 with complete content and certifying distribution on 02/12/26 (lfra 03/02/26); |
state |
| 2026-01-15 | St Violation/Reminder Notice | state |
| 2026-01-15 | St Public Notif requested | state |
| 2025-12-17 | St Compliance achieved | state |
| 2025-10-23 | St Violation/Reminder Notice | state |
| 2025-10-23 | St Public Notif requested | state |
| 2025-10-21 | St Public Notif received | state |
| 2025-10-16 | St Violation/Reminder Notice | state |
| 2025-10-16 | St Public Notif requested | state |
| 2025-07-14 | St Public Notif received PN for 2Q2025 4010 MCL vio |
state |
| 2025-07-02 | St Violation/Reminder Notice | state |
| 2025-07-02 | St Public Notif requested | state |
| 2025-06-27 | St Public Notif received Tier 3 PNs for 2022/2023/2024 achieved through CCR submitted 06/27/25 indicating distribution on 06/24/25 (lfra 06/30/25); |
state |
| 2025-05-27 | St Public Notif received | state |
| 2025-05-27 | St Compliance achieved PN vio for 1Q2025 4010 MCL violation RTC through adequate notice direct delivered and submitted with COD on 05/27/25 (lfra 06/09/25); |
state |
| 2025-04-30 | St Violation/Reminder Notice | state |
| 2025-03-17 | St Violation/Reminder Notice | state |
| 2025-03-17 | St Public Notif requested | state |
20 most recent of 107; the rest are on the ECHO report.
Lead and copper
The latest 90th-percentile lead result is 0.0025 mg/L (sampling period ending 2025-12-31) against an action level of 0.015 mg/L, below it. 7 results on file.
The action level is not a health limit: it is the level at which the rule requires a system to act (corrosion control, public education, and in some cases replacing lead service lines). Lead mostly enters water from household plumbing, so a system-wide percentile does not tell you what comes out of one tap.
Violation, enforcement and lead/copper records are EPA SDWIS federal reporting, fetched monthly; the summary is EPA ECHO. Code names come from EPA's own REF_CODE_VALUE table. SDWIS carries violations, not routine sample results — nitrate, disinfection by-product and PFAS values are not in it, and a clean record here means nothing was reported as a violation, not that nothing was ever detected. For what was measured, ask the system for its Consumer Confidence Report.
PFAS and lithium: EPA's UCMR 5 monitoring, 2023–2025
Source Register of another agency · fetched 2026-09-09 · verify at EPA UCMR occurrence data ↗
EPA did not sample this system under UCMR 5 (the rule covered every system serving more than 3,300 people and a drawn sample of smaller ones).
Common questions
Who provides drinking water in Two Buttes, Colorado?
The Town of Two Buttes is the public water system serving 64 people in Baca County, from groundwater. Its EPA public water system id is CO0105700.
Where does the Town of Two Buttes get its water?
The Town of Two Buttes reports groundwater as its primary source. EPA lists its source facilities as NO 1 WELL.
Does the Town of Two Buttes have any drinking water violations?
EPA's compliance record shows no open health-based violations for the Town of Two Buttes at the last monthly fetch. Older and non-health-based entries, if any, are listed on this page.
Places this system serves
Census places its EPA service-area boundary substantially covers. Each page lists every system serving that place.
Every provider in Baca County.
The record
EPA SDWIS federal reporting as of 2026-09-08; the compliance record above is EPA's own, fetched monthly, and the ECHO report carries the rest. Report a problem →