Public water system record
Osprey Mobile Home Park
On record as serving Grafton, Ozaukee County, WI · Serves 150 people
Federal records show 5 health-based violations and 8 monitoring/reporting issues for Osprey Mobile Home Park 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
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 8
Key facts
- Osprey Mobile Home Park draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Arsenic, 0.02025 mg/L, federal limit 0.01 mg/L (2 times the limit), 2020.
- Most recent enforcement action: boil water order by Wisconsin, November 1999.
- Record on file since 1994, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 60 unknown out of 60 service lines.
Check whether Osprey Mobile Home Park 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 0.02025 mg/L, federal limit 0.01 mg/L (2 times the limit)
|
330 | Apr 1, 2020 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.01985 mg/L, federal limit 0.01 mg/L (2 times the limit)
|
330 | Jan 1, 2020 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.01778 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
|
330 | Oct 1, 2019 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.01535 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
330 | Jul 1, 2019 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0126 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Jan 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Feb 5, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Sep 23, 2019 | Resolved |
|
Public Notice
OTHER
|
Sep 23, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jun 1, 2018 | Resolved |
Full record since 1994
EPA's records for Osprey Mobile Home Park go back to 1994. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 2 |
| 2000s | 0 | 1 |
| October 19, 2016 to 2019 | 3 | 3 |
| 2020s | 2 | 5 |
Most recent health-based violation before October 19, 2016: Total Coliform, began November 1999, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1997 | Resolved |
Enforcement actions
Wisconsin regulators issued 4 boil water orders to Osprey Mobile Home Park between 1985 and 1999. The most recent was a boil water order in November 1999.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 4, 1999 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Oct 15, 1999 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Aug 15, 1997 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Sep 30, 1985 | Wisconsin | Boil water order | 1 violation |
What the violations mean
Arsenic
5 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Where the water comes from
Osprey Mobile Home Park draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Osprey Mobile Home Park 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 Osprey Mobile Home Park 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 Wisconsin.
Certified drinking water labs by state EPA guidance for private wells