Drinking water quality · 1998

· Verified

What's in City of Clovis, CA tap water

1 contaminants were measured in the City of Clovis, CA water system's 1998 annual report. Each is shown below against its federal limit.

Browse the mapFull source report ↗
Reporting year
1998
Contaminants measured
1
Over federal limit
0
Approaching the limit
0
Service area
CA
state-level CCR
Source
Utility CCR
All within federal limits. Every measured contaminant in this report is below its federal threshold.

PFAS — EPA UCMR5 (2023–2025)

2 PFAS compounds above EPA limits in City of Clovis, CA

About this data

The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.

PFOS (Perfluorooctane sulfonic acid)

● Over EPA limit (10.3×)
Measured 41 ng/LEPA limit 4 ng/LSample year 2023Samples 8 detect / 76

PFOA (Perfluorooctanoic acid)

● Over EPA limit (4.5×)
Measured 18 ng/LEPA limit 4 ng/LSample year 2023Samples 9 detect / 76

PFHxS (Perfluorohexane sulfonic acid)

● Approaching limit (88%)
Measured 8.8 ng/LEPA limit 10 ng/LSample year 2023Samples 4 detect / 76

PFNA (Perfluorononanoic acid)

● Below limit
Measured 6.9 ng/LEPA limit 10 ng/LSample year 2023Samples 2 detect / 76

PFDA

● Detected (no federal limit)
Measured 0.0031 µg/LSample year 2023Samples 2 detect / 76

PFHpA

● Detected (no federal limit)
Measured 5.7 ng/LSample year 2023Samples 2 detect / 76

PFBS

● Detected (no federal limit)
Measured 7.9 ng/LSample year 2023Samples 10 detect / 76

PFPeA

● Detected (no federal limit)
Measured 8.4 ng/LSample year 2023Samples 3 detect / 76

PFBA

● Detected (no federal limit)
Measured 6.1 ng/LSample year 2023Samples 1 detect / 76

PFHxA

● Detected (no federal limit)
Measured 8 ng/LSample year 2023Samples 6 detect / 76
PWSID CA1010003 · Source: EPA UCMR5. Limits per EPA's April 2024 PFAS National Primary Drinking Water Regulation. PFAS values reported in nanograms per liter (ng/L) — note that 1 ng/L = 1 part per trillion.

Where your water comes from · EPA SDWIS

City of Clovis, CA's drinking water comes from ground water, drawn from 38 sources.

Source

38ground water
  • WELL 40 - RAW STBY2025
  • WELL 037 - RAW
  • WELL 17 - RAW
  • WELL 12 - BEFORE_GAC-DBCP&TCP
  • + 34 more

Treatment

38treatment plants
  • WELL 41 - TRT CL
  • WELL 05A - TRT CL
  • WELL 14 - CL2
  • + 35 more

Distribution

0storage units

Compliance history

Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.

  • Maximum contaminant level exceededHealth-based
    4 violations on record · most recent Mar 1993
    resolved

Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗

Metals

ContaminantMeasuredStatus
LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.0.0025 mg/L90th percentileAt the tapWithin the limit
Source: City of Clovis, CA's 1998 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.

People also ask about City of Clovis, CA's water

+Is City of Clovis, CA tap water safe to drink in 1998?

Every one of the 1 contaminants measured in City of Clovis, CA's 1998 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.

+What contaminants are in City of Clovis, CA tap water?

1 contaminants were measured in City of Clovis, CA's 1998 Consumer Confidence Report, spanning metals. 1 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.

+Where does the data on this page come from?

Every value is transcribed from City of Clovis, CA's 1998 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.

+How often is City of Clovis, CA's water quality data updated?

Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 1998 report; a new report will replace it once the utility publishes its next annual update.

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