Public water system record
Inwood Water Supply
Serves Inwood, Lyon County, IA · 928 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Inwood Water Supply 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
- 1
Key facts
- Inwood Water Supply buys its water from Lyon-Sioux RWS-Doon.
- Record on file since 1988, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 412 service lines.
Check whether Inwood 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 1, 2021 | Resolved |
Full record since 1988
EPA's records for Inwood Water Supply go back to 1988. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 2 | 3 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began July 1994, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 1992 | Resolved |
Where the water comes from
Inwood Water Supply buys its water from Lyon-Sioux RWS-Doon. It lists no wells or intakes of its own.
Buys water from
- Lyon-Sioux RWS-Doon Rock Rapids, IA
Annual water quality report
Inwood 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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