States › New York › Herkimer County

Herkimer County, NY Water Quality

Water quality data for 15 public water systems serving Herkimer County, New York — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 15 water systems · 20 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

Herkimer County Earns a B

Herkimer County: 20 communities across 15 water systems. 95.0% have no open violations.

  • Median lead where detected: 3.10 ppb
  • 16 communities with a lead detection, 4 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 8 with significant inspection deficiencies
  • 95.0% of communities have no open violations
3.1 ppb
Median Lead Level
County-wide, 90th percentile
15
Water Systems
Active CWS & NTNCWS
95%
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
  • Frankfort
    1.70 ppb
    No federal limits exceeded on record
    B
  • Webb
    3.20 ppb
    No federal limits exceeded on record
    B
  • Newport
    1.51 ppb
    No federal limits exceeded on record
    B
  • Russia
    1.50 ppb
    No federal limits exceeded on record
    A
  • Poland
    1.50 ppb
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Herkimer
    19.00 ppb
    Lead above the 15 ppb action level
    F
  • German Flatts
    36.00 ppb
    Lead above the 15 ppb action level
    D
  • Warren
    3.00 ppb
    1 significant inspection deficiency
    C
  • Manheim
    Not detected
    1 significant inspection deficiency
    C
  • Dolgeville
    Not detected
    1 significant inspection deficiency
    C
County Lead Level — Median 3.1 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 3.1 ppb — 20.7% of the federal action level
Systems by Lead Level
Under 5 ppb
10
5 – 10 ppb
3
10 – 15 ppb
3
No Data
4

All Cities in Herkimer County

German Flatts 36.00 ppb D
Herkimer 19.00 ppb F
Little Falls 8.96 ppb A
Frankfort 1.70 ppb B
Manheim Not detected C
Dolgeville Not detected C
Schuyler 12.00 ppb C
Webb 3.20 ppb B
Newport 1.51 ppb B
Winfield 5.50 ppb B
Russia 1.50 ppb A
Middleville 2.30 ppb B
Poland 1.50 ppb A
Little Falls 8.96 ppb A
Fairfield 2.30 ppb B
Stark 3.00 ppb B
Litchfield 4.75 ppb B
Danube Not detected B
Salisbury Not detected C
Warren 3.00 ppb C
Showing 20 cities
No active violations Active violations

About Herkimer County Drinking Water

Herkimer County is served by 15 water systems covering 20 communities. 95% have no open violations.

Of the communities reporting lead results, 16 recorded a detection, with a median of 3.10 ppb — 21% of the federal action level. 4 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 8 of them.

Frequently Asked Questions

Is Herkimer County tap water safe to drink?▼
95% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Herkimer County?▼
Among communities with a detection the median is 3.10 ppb, 21% of the 15 ppb action level. 4 reported none detected and 0 reported no result.
How many water systems serve Herkimer County?▼
15 community water systems serve 20 communities here.
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