Public water system record
Waterloo Water Works
Serves Waterloo, Black Hawk County, IA · 69,504 people served
Federal records show no health-based violations and no monitoring or reporting issues for Waterloo Water Works 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
- Waterloo Water Works draws water from 13 wells.
- Record on file since 1985, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 285 unknown out of 27,582 service lines.
Check whether Waterloo Water Works 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 1985
EPA's records for Waterloo Water Works go back to 1985. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 19 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 8 |
| 1990s | 1 | 10 |
| 2000s | 1 | 1 |
| 2010 to October 18, 2016 | 1 | 0 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began November 2015, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10.7 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Nov 1, 2015 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Aug 1, 2005 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Feb 1, 1992 | Resolved |
Where the water comes from
Waterloo Water Works draws water from 13 wells. 2 other community water systems buy water from Waterloo Water Works.
Community systems that buy water from it
- Elk Run Heights Water Supply Elk Run Heights, IA
- Hudson Water Supply Hudson, IA
Annual water quality report
Waterloo Water Works 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