Public water system record
Maxwell Colony
On record as serving Scotland, Bon Homme County, SD · Serves 150 people
Federal records show 1 health-based violation and 15 monitoring/reporting issues for Maxwell Colony in the last ten years. The most serious issue in this window was a resolved Stage 1 Disinfection Byproducts Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- Maxwell Colony draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by South Dakota, November 1997.
- Record on file since 1990, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 19 service lines.
Check whether Maxwell Colony 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 |
|---|---|---|---|---|
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Nov 29, 2023 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2025 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Feb 11, 2017 | Resolved |
Full record since 1990
EPA's records for Maxwell Colony go back to 1990. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 134 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 99 |
| 2000s | 2 | 9 |
| 2010 to October 18, 2016 | 1 | 26 |
| October 19, 2016 to 2019 | 0 | 14 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Revised Total Coliform Rule (acute), began May 2016, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule (acute)
Contaminant limit exceeded
|
May 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1997 | Resolved |
Enforcement actions
South Dakota regulators took 1 formal enforcement action against Maxwell Colony in 1997. The most recent was a compliance order (no penalty) in November 1997.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 17, 1997 | South Dakota | Compliance order (no penalty) | 32 violations: Heptachlor epoxide, Toxaphene, Simazine, Aldicarb, Aldicarb sulfone |
What the violations mean
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
Maxwell Colony draws water from 1 well.
Annual water quality report
Maxwell Colony 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 Maxwell Colony 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 South Dakota.
Certified drinking water labs by state EPA guidance for private wells