Public water system record
Hull Water Supply
Serves Hull, Sioux County, IA · 2,384 people served
Federal records show no health-based violations and no monitoring or reporting issues for Hull Water Supply in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Hull Water Supply buys its water from Rock Valley Rural Water District.
- Record on file since 1997, with 1 health-based violation before October 20, 2016.
- Lead pipe inventory: 0 lead and 354 unknown out of 1,012 service lines.
Check whether Hull Water Supply 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.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1997
EPA's records for Hull Water Supply go back to 1997. Before October 20, 2016 they list 1 health-based violation (1 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 1 | 0 |
Most recent health-based violation before October 20, 2016: Total Coliform, began August 2005, Resolved.
Show the health-based violation before October 20, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2005 | Resolved |
Where the water comes from
Hull Water Supply buys its water from Rock Valley Rural Water District. It lists no wells or intakes of its own. It also has a part-time connection to Lewis and Clark Regional Water System.
Buys water from
- Rock Valley Rural Water District Rock Valley, IA
Emergency or part-time connections to
- Lewis and Clark Regional Water System Vermillion, SD
Annual water quality report
Hull Water Supply 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 Iowa.
Certified drinking water labs by state EPA guidance for private wells