OTHO, IA · Webster County

KALO WATER SYSTEM Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of February 3, 1995. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Webster County, IA.

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): IA9448099
System type: Community Water System
Population served: 25
Service connections: 11
Ownership: privately owned
Water source: groundwater (wells)

KALO WATER SYSTEM is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, formerly serving 25 people from groundwater.

EPA's federal records list this system as inactive in 1995; the record below is historical.

As of August 1, 2026, its federal record holds 19 entries between 1980 and 1991, all of which EPA lists as closed. Nothing has been added since 1991.

Of the 19, 17 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, the Radionuclides and Revised Rad Rule, and the Total Coliform Rules.

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1991 – January 31, 1991
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
April 1, 1990 – July 23, 1990
Resolved
Monitoring, Regular
—
Mercury
July 1, 1987 – June 30, 1990
Resolved
Monitoring, Regular
—
Arsenic
July 1, 1987 – June 30, 1990
Resolved
Monitoring, Regular
—
Barium
July 1, 1987 – June 30, 1990
Resolved
Monitoring, Regular
—
Chromium
July 1, 1987 – June 30, 1990
Resolved
Monitoring, Regular
—
Fluoride
July 1, 1987 – June 30, 1990
Resolved
Monitoring, Regular
—
Selenium
July 1, 1987 – June 30, 1990
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 1985 – September 30, 1986
Archived
Monitoring, Regular
—
Nitrate
July 1, 1985 – June 30, 1988
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 1985 – March 31, 1989
Archived
Monitoring, Regular
—
Mercury
October 1, 1983 – September 30, 1984
Archived
Monitoring, Regular
—
Arsenic
October 1, 1983 – September 30, 1984
Archived
Monitoring, Regular
—
Chromium
October 1, 1983 – September 30, 1984
Archived
Monitoring, Regular
—
Selenium
October 1, 1983 – September 30, 1984
Archived
Monitoring, Regular
—
Barium
October 1, 1983 – September 30, 1984
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Combined Radium (-226 and -228)
October 1, 1981 – September 30, 1985
Resolved
Monitoring, Regular
—
Cadmium
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Nitrate
September 30, 1980 – September 29, 1983
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
January 1, 1991 – January 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1990 – July 23, 1990	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 1987 – June 30, 1990	Monitoring, Regular	Mercury	—	Resolved
July 1, 1987 – June 30, 1990	Monitoring, Regular	Arsenic	—	Resolved
July 1, 1987 – June 30, 1990	Monitoring, Regular	Barium	—	Resolved
July 1, 1987 – June 30, 1990	Monitoring, Regular	Chromium	—	Resolved
July 1, 1987 – June 30, 1990	Monitoring, Regular	Fluoride	—	Resolved
July 1, 1987 – June 30, 1990	Monitoring, Regular	Selenium	—	Resolved
October 1, 1985 – September 30, 1986	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
July 1, 1985 – June 30, 1988	Monitoring, Regular	Nitrate	—	Resolved
April 1, 1985 – March 31, 1989	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1983 – September 30, 1984	Monitoring, Regular	Mercury	—	Archived
October 1, 1983 – September 30, 1984	Monitoring, Regular	Arsenic	—	Archived
October 1, 1983 – September 30, 1984	Monitoring, Regular	Chromium	—	Archived
October 1, 1983 – September 30, 1984	Monitoring, Regular	Selenium	—	Archived
October 1, 1983 – September 30, 1984	Monitoring, Regular	Barium	—	Archived
October 1, 1981 – September 30, 1985	Maximum Contaminant Level Violation, Single Sample	Combined Radium (-226 and -228)	Health-based	Resolved
September 30, 1980 – September 29, 1983	Monitoring, Regular	Cadmium	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Nitrate	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

February 3, 1995State Intentional no-action1 linked violation
October 24, 1994State Formal Notice of Violation issued1 linked violation
July 11, 1994State Public Notification received4 linked violations
May 20, 1994State Formal Notice of Violation issued1 linked violation
April 9, 1991State Public Notification received2 linked violations
April 9, 1991State Public Notification received1 linked violation
March 13, 1991State Formal Notice of Violation issued2 linked violations
March 13, 1991State Public Notification requested1 linked violation
March 13, 1991State Public Notification requested2 linked violations
July 23, 1990State Compliance achieved2 linked violations
September 8, 1989State Public Notification received1 linked violation
August 1, 1989State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 21, 1989State Intentional no-action1 linked violation
August 31, 1988State Formal Notice of Violation issued2 linked violations
August 31, 1988State Formal Notice of Violation issued2 linked violations
June 14, 1988State Public Notification requested1 linked violation
April 1, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 25, 1985State Public Notification requested1 linked violation
September 30, 1984Federal issued Formal Notice of Violation11 linked violations
March 22, 1984State Other241 linked violations
February 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Last known contact on file (system is inactive)

Not on record

Phone not on record

OTHO, IA 50569