Public water system record
Sans Souci MHP
Serves an area of Boulder County, CO · 150 people served
Federal records show 13 health-based violations and 42 monitoring/reporting issues for Sans Souci MHP in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 13
- Resolved
- 13
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 42
Key facts
- Sans Souci MHP draws water from 1 well.
- Most recent enforcement action: boil water order by Colorado, December 2021.
- Record on file since 1986, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 61 service lines.
Check whether Sans Souci MHP serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Dec 24, 2022 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2022 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2022 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2020 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2020 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2020 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2019 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2019 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2019 | Resolved | Yes |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Apr 1, 2019 | Resolved | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Dec 1, 2018 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2017 | Resolved | Yes |
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Apr 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Dec 21, 2025 | Active |
|
Public Notice
OTHER
|
Dec 21, 2025 | Active |
|
Public Notice
OTHER
|
Nov 8, 2025 | Resolved |
|
Public Notice
OTHER
|
Aug 10, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Jan 31, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jun 24, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 24, 2024 | Resolved |
|
Public Notice
OTHER
|
Dec 24, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Sep 24, 2023 | Resolved |
|
Public Notice
OTHER
|
Jun 24, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Mar 24, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Feb 13, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Nov 13, 2019 | Resolved |
|
Public Notice
OTHER
|
Aug 13, 2019 | Resolved |
|
Public Notice
OTHER
|
May 13, 2019 | Resolved |
|
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
|
May 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Feb 15, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
Full record since 1986
EPA's records for Sans Souci MHP go back to 1986. Before October 19, 2016 they list 3 health-based violations (2 resolved, 1 archived by EPA without a recorded fix) and 88 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 1990s | 0 | 3 |
| 2000s | 1 | 62 |
| 2010 to October 18, 2016 | 1 | 23 |
| October 19, 2016 to 2019 | 6 | 7 |
| 2020s | 6 | 35 |
Most recent health-based violation before October 19, 2016: Stage 1 Disinfection Byproducts Rule, began April 2016, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
Apr 1, 2016 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 24, 2007 | Resolved |
|
Selenium
Contaminant limit exceeded
|
Jul 6, 1986 | Archived |
Enforcement actions
Colorado regulators took 3 formal enforcement actions against Sans Souci MHP and issued 7 boil water orders between 2006 and 2021. The most recent was a boil water order in December 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 31, 2021 | Colorado | Boil water order | 1 violation |
| Dec 15, 2021 | Colorado | Boil water order | 1 violation |
| Sep 20, 2021 | Colorado | Boil water order | 1 violation |
| Sep 2, 2021 | Colorado | Boil water order | 1 violation |
| Sep 2, 2020 | Colorado | Boil water order | 1 violation |
| Jun 23, 2020 | Colorado | Boil water order | 1 violation |
| Jul 11, 2019 | Colorado | Boil water order | 1 violation |
| Nov 25, 2009 | Colorado | Compliance order with a penalty | 2 violations: Consumer Confidence Rule |
| Dec 31, 2007 | Colorado | Compliance order with a penalty | 5 violations (1 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Surface Water Treatment Rule |
| Jan 20, 2006 | Colorado | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
What the violations mean
Interim Enhanced Surface Water Treatment Rule
9 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Lead and Copper Rule
2 incidentsThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Stage 1 Disinfection Byproducts Rule
1 incidentThe system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule
Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk
Where the water comes from
Sans Souci MHP draws water from 1 well.
Annual water quality report
Sans Souci MHP must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Sans Souci MHP for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Colorado.
Certified drinking water labs by state EPA guidance for private wells