Public water system record
Coralville Lake Terrace
Serves an area of Johnson County, IA that includes North Liberty · 340 people served
Federal records show no health-based violations and no monitoring or reporting issues for Coralville Lake Terrace 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
- Coralville Lake Terrace draws water from 2 wells.
- Most recent formal enforcement: signed compliance agreement by Iowa, November 2010.
- Record on file since 1980, with 19 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 94 service lines.
Check whether Coralville Lake Terrace 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 1980
EPA's records for Coralville Lake Terrace go back to 1980. Before October 19, 2016 they list 19 health-based violations (19 resolved) and 67 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 11 |
| 1990s | 9 | 17 |
| 2000s | 10 | 24 |
| 2010 to October 18, 2016 | 0 | 15 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2002, Resolved.
Show all 19 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2002 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1994 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1991 | Resolved |
Enforcement actions
Iowa regulators took 5 formal enforcement actions against Coralville Lake Terrace and issued 1 boil water order between 2000 and 2010, filed as 19 records in EPA's data. The most recent was a signed compliance agreement in November 2010.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 30, 2010 | Iowa | Signed compliance agreement | 2 violations: Lead and Copper Rule |
| Jan 6, 2009 | Iowa | Signed compliance agreement | 1 violation: Haloacetic Acids (HAA5) |
| Oct 15, 2002 | Iowa | Signed compliance agreement | 1 violation (1 health-based): Total Coliform |
| Aug 2, 2002 | Iowa | Boil water order | 2 violations (2 health-based): Total Coliform |
| Apr 8, 2002 | Iowa | Signed compliance agreement | 8 violations (8 health-based): Total Coliform |
| Jun 27, 2000 | Iowa | Compliance order with a penalty | 5 violations: Consumer Confidence Rule, Lead and Copper Rule, Nitrate |
Where the water comes from
Coralville Lake Terrace draws water from 2 wells.
Annual water quality report
Coralville Lake Terrace 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 Coralville Lake Terrace 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 Iowa.
Certified drinking water labs by state EPA guidance for private wells