TapGraded
C

BLACKFOOT CITY OF

Blackfoot, ID · 13,224 served

BLACKFOOT CITY OF serves 13,224 people in Blackfoot, ID. It has 2 health-based violations in the last 5 years. TapGraded gives this system a C.

Score breakdown

Health-based violations (5y)

2

Monitoring violations (5y)

88

Currently unaddressed

0

Overall score

74/100

Violation history (last 5 years)

2021
2022
2023
2025
Health-based Monitoring / reporting

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Lead (Lead and Copper Rule)

EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).

90th-percentile lead sample 3 ppb
0 ppb EPA action level: 15 ppb

Latest EPA Lead and Copper Rule 90th-percentile reading (monitoring period ending December 31, 2026).

PFAS (UCMR5 occurrence data)

PFOS (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
HFPO-DA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFOA (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
PFNA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFHxS (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt

System details

System type
Community water system
Water source
Ground water
Ownership
Local government
Service connections
4,267

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Frequently asked questions

Is Blackfoot, ID tap water safe to drink?

BLACKFOOT CITY OF has 2 health-based violations in the last 5 years. TapGraded gives this system a C. A Tap Grade summarizes public EPA compliance records; it is not a determination that water is safe or unsafe to drink.

Does BLACKFOOT CITY OF have lead in its water?

The most recent 90th-percentile lead sample is 3 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in BLACKFOOT CITY OF's water?

This system was tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.

Source: EPA SDWIS/ECHO · Data as of 2026Q2

TapGraded presents public EPA data for information only — it is not health advice and not a determination that any water is safe or unsafe to drink. For health concerns, contact your water utility or local health department.