Public water system record
Isu
Serves Ames, Story County, IA · 42,000 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Isu 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
- 2
Key facts
- Isu buys its water from Ames Water Treatment Plant.
- Record on file since 1997, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 187 service lines.
Check whether Isu 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrite
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Nitrite
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
Full record since 1997
EPA's records for Isu go back to 1997. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 1 |
| 2000s | 3 | 0 |
| 2010 to October 18, 2016 | 0 | 4 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2005, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1999 | Resolved |
Where the water comes from
Isu buys its water from Ames Water Treatment Plant. It lists no wells or intakes of its own.
Buys water from
- Ames Water Treatment Plant Ames, IA
Annual water quality report
Isu 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 Iowa.
Certified drinking water labs by state EPA guidance for private wells