Public water system record
Siloam Springs Waterworks
Serves an area of Benton County, AR that includes Siloam Springs · 21,430 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for Siloam Springs Waterworks in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Siloam Springs Waterworks draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order (no penalty) by Arkansas, September 2021.
- Record on file since 1993, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 2,901 unknown out of 8,753 service lines.
Check whether Siloam Springs Waterworks 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 |
|---|---|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2021 | 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, 2023 | Resolved |
Full record since 1993
EPA's records for Siloam Springs Waterworks go back to 1993. Before October 19, 2016 they list 7 health-based violations (3 resolved, 4 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 3 |
| 2000s | 1 | 0 |
| 2010 to October 18, 2016 | 2 | 0 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began November 2014, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1998 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1996 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 1993 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1993 | Archived |
Enforcement actions
Arkansas regulators took 1 formal enforcement action against Siloam Springs Waterworks in 2021. The most recent was a compliance order (no penalty) in September 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 15, 2021 | Arkansas | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
What the violations mean
Surface Water Treatment Rule
1 incidentThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Siloam Springs Waterworks draws water from 1 surface water intake. It also buys water from Benton-Washington Regional PWA. 2 other community water systems and 3 smaller public systems such as schools, businesses or campgrounds buy water from Siloam Springs Waterworks.
Buys water from
- Benton-Washington Regional PWA Rogers, AR
Community systems that buy water from it
- Watts Watts, OK
- West Siloam Springs Colcord, OK
Annual water quality report
Siloam Springs Waterworks 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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 Arkansas.
Certified drinking water labs by state EPA guidance for private wells