States › Missouri › Nodaway County

Nodaway County, MO Water Quality

Water quality data for 9 public water systems serving Nodaway County, Missouri — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 9 water systems · 17 cities
✅
Generally Safe — Most Systems Performing Well

The majority of water systems have no active violations and lead levels well below the federal action level.

B

Nodaway County Earns a B

Nodaway County: 17 communities across 9 water systems. 100.0% have no open violations.

  • Median lead where detected: 1.41 ppb
  • 14 communities with a lead detection, 3 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 10 with significant inspection deficiencies
  • 100.0% of communities have no open violations
1.41 ppb
Median Lead Level
County-wide, 90th percentile
9
Water Systems
Active CWS & NTNCWS
100%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • Barnard
    2.90 ppb
    No federal limits exceeded on record
    B
  • Conception Junction
    Not detected
    No federal limits exceeded on record
    B
  • Elmo
    Not detected
    No federal limits exceeded on record
    B
  • Ravenwood
    Not detected
    1 health-based violation since 2015
    B
  • Parnell
    2.82 ppb
    1 health-based violation since 2015
    B
⚠ Needs Attention
  • Maryville
    6.05 ppb
    2 significant inspection deficiencies
    C
  • Burlington Junction
    1.41 ppb
    1 significant inspection deficiency
    B
  • Hopkins
    1.41 ppb
    1 significant inspection deficiency
    B
  • Pickering
    1.41 ppb
    1 significant inspection deficiency
    B
  • Conception
    1.41 ppb
    1 significant inspection deficiency
    B
County Lead Level — Median 1.41 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1.41 ppb — 9.4% of the federal action level
Systems by Lead Level
Under 5 ppb
12
5 – 10 ppb
2
No Data
3

All Cities in Nodaway County

Maryville 6.05 ppb C
Ravenwood Not detected B
Burlington Junction 1.41 ppb B
Hopkins 1.41 ppb B
Barnard 2.90 ppb B
Conception Junction Not detected B
Pickering 1.41 ppb B
Parnell 2.82 ppb B
Skidmore 5.74 ppb B
Conception 1.41 ppb B
Clearmont 1.41 ppb B
Graham 0.85 ppb B
Guilford 1.41 ppb B
Arkoe 1.41 ppb B
Elmo Not detected B
Clyde 1.41 ppb B
Quitman 1.41 ppb B
Showing 17 cities
No active violations Active violations

About Nodaway County Drinking Water

Nodaway County is served by 9 water systems covering 17 communities. No community here has an open violation on record.

Of the communities reporting lead results, 14 recorded a detection, with a median of 1.41 ppb — 9% of the federal action level. 3 reported none detected, which means below the laboratory limit rather than an absence of lead.

No community here has PFAS above the federal limit on record. State inspectors recorded significant deficiencies at 10 of them.

Frequently Asked Questions

Is Nodaway County tap water safe to drink?▼
No community in Nodaway County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Nodaway County?▼
Among communities with a detection the median is 1.41 ppb, 9% of the 15 ppb action level. 3 reported none detected and 0 reported no result.
How many water systems serve Nodaway County?▼
9 community water systems serve 17 communities here.
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