Public water system record
Massena Water Supply
Serves Massena, Cass County, IA · 364 people served
Federal records show 2 health-based violations and 17 monitoring/reporting issues for Massena Water Supply in the last ten years. The most serious issue in this window was a resolved Arsenic violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 17
Key facts
- Massena Water Supply draws water from 5 wells.
- Highest measured level in the last 10 years: Arsenic, 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit), 2023.
- Most recent formal enforcement: compliance order (no penalty) by Iowa, November 1988.
- Record on file since 1985, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 188 service lines.
Check whether Massena 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
330 | Sep 1, 2023 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 1, 2022 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Mar 13, 2025 | Active |
|
Public Notice
OTHER
|
Mar 13, 2025 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2024 | Resolved |
|
E. coli
Monitoring and reporting
|
Aug 27, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Nov 7, 2023 | Resolved |
|
Public Notice
OTHER
|
Oct 6, 2023 | Active |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Jun 20, 2015 | Resolved |
|
Public Notice
OTHER
|
Jun 20, 2015 | Resolved |
Full record since 1985
EPA's records for Massena Water Supply go back to 1985. Before October 19, 2016 they list no health-based violations and 18 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 8 |
| 1990s | 0 | 6 |
| 2010 to October 18, 2016 | 0 | 4 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 2 | 12 |
Enforcement actions
Iowa regulators took 2 formal enforcement actions against Massena Water Supply in 1988, filed as 10 records in EPA's data. The most recent was a compliance order (no penalty) in November 1988.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 23, 1988 | Iowa | Compliance order (no penalty) | 9 violations: Cadmium, Lead and Copper Rule, Barium, Arsenic, Selenium |
| Nov 23, 1988 | Iowa | Administrative penalty | 1 violation: Selenium |
What the violations mean
Arsenic
1 incidentArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Massena Water Supply draws water from 5 wells.
Annual water quality report
Massena 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.
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 Massena Water Supply 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