PIERSON, IA · Woodbury County
PIERSON WATER SUPPLY Water System
Consumer Confidence Report status
PIERSON 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 PIERSON 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)
- IA9766041
- System type
- Community Water System
- Population served
- 345
- Service connections
- 164
- Ownership
- local government
- Water source
- groundwater (wells)
PIERSON WATER SUPPLY is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 345 people from groundwater.
As of August 1, 2026, its federal record holds 4 entries between 1984 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.
Of the 4, 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
October 1, 2020 – October 31, 2020
ResolvedNotification, Public
—Nitrate
January 1, 1987 – January 31, 1987
ResolvedMaximum Contaminant Level Violation, Average
Health-basedNitrate
October 1, 1985 – September 30, 1986
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate
October 1, 1984 – September 30, 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 |
|---|---|---|---|---|
| October 1, 2020 – October 31, 2020 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1987 – January 31, 1987 | Notification, Public | Nitrate | — | Resolved |
| October 1, 1985 – September 30, 1986 | Maximum Contaminant Level Violation, Average | Nitrate | Health-based | Archived |
| October 1, 1984 – September 30, 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
- January 8, 2021State Public Notification received1 linked violation
- December 2, 2020State Formal Notice of Violation issued1 linked violation
- December 2, 2020State Public Notification requested1 linked violation
- November 17, 2020State Compliance achieved1 linked violation
- October 5, 2017State Public Notification received5 linked violations
- September 30, 2017State Compliance achieved1 linked violation
- February 16, 1995State Formal Notice of Violation issued3 linked violations
- December 12, 1994State Public Notification requested8 linked violations
- December 1, 1994State Compliance achieved2 linked violations
- December 1, 1994State Compliance achieved6 linked violations
- July 11, 1994State Public Notification received3 linked violations
- May 1, 1993State Compliance achieved3 linked violations
- May 15, 1987State Compliance achieved1 linked violation
- January 15, 1987State Public Notification received1 linked violation
- December 15, 1986State Formal Notice of Violation issued3 linked violations
- December 15, 1986State Public Notification requested1 linked violation
Common questions
Is PIERSON WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. PIERSON 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 PIERSON WATER SUPPLY’s next Consumer Confidence Report due?
- PIERSON WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does PIERSON WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for PIERSON 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
PIERSON WATER SUPPLY
712-375-5015
PIERSON, IA 51048