WALL LAKE, IA · Sac County
WALL LAKE WATER SUPPLY Water System
Consumer Confidence Report status
WALL LAKE WATER SUPPLY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for WALL LAKE WATER SUPPLY.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.
System facts
- System ID (PWSID)
- IA8166061
- System type
- Community Water System
- Population served
- 780
- Service connections
- 465
- Ownership
- local government
- Water source
- groundwater (wells)
WALL LAKE WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 780 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 1985 and 1987, all of which EPA lists as closed. Nothing has been added since 1987.
Of the 2, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals.
Violation history
Monitoring, Regular
—Nitrate
April 1, 1987 – March 31, 1990
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate
July 1, 1985 – August 31, 1985
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 1987 – March 31, 1990 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 1985 – August 31, 1985 | Maximum Contaminant Level Violation, Single Sample | Nitrate | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- May 21, 2018State Public Notification received5 linked violations
- November 8, 1999State Compliance achieved3 linked violations
- October 21, 1999State Public Notification requested4 linked violations
- April 21, 1999State Formal Notice of Violation issued2 linked violations
- December 9, 1996State Compliance achieved3 linked violations
- August 23, 1996State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- August 23, 1996State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- August 23, 1996State Public Notification requested60 linked violations
- August 23, 1996State Public Notification requested6 linked violations
Common questions
Is WALL LAKE WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. WALL LAKE WATER SUPPLY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is WALL LAKE WATER SUPPLY’s next Consumer Confidence Report due?
- WALL LAKE WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WALL LAKE WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WALL LAKE WATER SUPPLY.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
WALL LAKE WATER SUPPLY
712-664-2216
WALL LAKE, IA 51466