Missouri Valley, IA
Contamination score
Higher = more contaminated vs. other cities.
Reported illness & cancer claims
No claims reported yet. Be the first to add one.
Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.
Self-reported issues
No issues reported yet. Be the first to report one.

Public water systems
Valley View Water Association
- PWSID:
- IA4300601
- Source:
- Ground water
- Serves:
- 65 people
Missouri Valley Water Supply
- PWSID:
- IA4344088
- Source:
- Ground water
- Serves:
- 2,684 people
Sunnyside Village MHP Llc
- PWSID:
- IA4300600
- Source:
- Ground water
- Serves:
- 190 people
EPA & DEP violations
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2025 · 11 months ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2024 · 1 year ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2024 · 1 year ago · Source ↗
Nitrate — MR violation
medium severityResolvedNitrate MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2024 · 1 year ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2024 · 2 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2024 · 2 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Jan 1, 2024 · 2 years ago · Source ↗
TTHM — MR violation
medium severityArchivedTTHM MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2023 · 2 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityArchivedTotal Haloacetic Acids (HAA5) MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2023 · 2 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2023 · 2 years ago · Source ↗
E. COLI — MR violation
medium severityUnaddressedE. COLI MR violation (Unaddressed).
EPA SDWIS · MR · Began Dec 9, 2022 · 3 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Dec 1, 2022 · 3 years ago · Source ↗
Nitrate — MR violation
medium severityResolvedNitrate MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityArchivedTotal Haloacetic Acids (HAA5) MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2022 · 3 years ago · Source ↗
TTHM — MR violation
medium severityArchivedTTHM MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2022 · 3 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2022 · 3 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2021 · 4 years ago · Source ↗
TTHM — MR violation
medium severityArchivedTTHM MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2021 · 4 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityArchivedTotal Haloacetic Acids (HAA5) MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2021 · 4 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2021 · 4 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.