Public water system record
Iowa Valley Estates
Serves an area of Iowa County, IA that includes Marengo · 46 people served
Federal records show 9 health-based violations and no monitoring/reporting issues for Iowa Valley Estates in the last ten years. The most serious issue in this window was a resolved Nitrate violation.
System profile
- Health-based violations, last 10 years
- 9
- Resolved
- 9
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 0
Key facts
- Iowa Valley Estates draws water from 2 wells.
- Highest measured level in the last 10 years: Nitrate, 19 mg/L, federal limit 10 mg/L (1.9 times the limit), 2022.
- Most recent formal enforcement: compliance order (no penalty) by Iowa, October 2023.
- Record on file since 1980, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 28 service lines.
Check whether Iowa Valley Estates 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 |
|---|---|---|---|---|
|
Nitrate
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
|
330 | Oct 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
|
330 | Sep 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Aug 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
|
330 | Jul 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
|
330 | Jun 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | May 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Apr 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 16 mg/L, federal limit 10 mg/L (1.6 times the limit)
|
330 | Mar 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 19 mg/L, federal limit 10 mg/L (1.9 times the limit)
|
330 | Apr 1, 2022 | Resolved | Yes |
Full record since 1980
EPA's records for Iowa Valley Estates go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 23 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 22 |
| 2000s | 1 | 1 |
| 2020s | 9 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began February 2005, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2005 | Resolved |
Enforcement actions
Iowa regulators took 3 formal enforcement actions against Iowa Valley Estates between 1983 and 2023, filed as 19 records in EPA's data. The most recent was a compliance order (no penalty) in October 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 2, 2023 | Iowa | Compliance order (no penalty) | 9 violations (9 health-based): Nitrate |
| Apr 13, 2023 | Iowa | Compliance order (no penalty) | 9 violations (9 health-based): Nitrate |
| Dec 6, 1983 | Iowa | Compliance order (no penalty) | 9 violations: Barium, Nitrate, Cadmium, Gross Alpha, Excl. Radon and U, Chromium (total) |
What the violations mean
Nitrate
9 incidentsNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
Where the water comes from
Iowa Valley Estates draws water from 2 wells.
Annual water quality report
Iowa Valley Estates 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 Iowa Valley Estates 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