Drinking water quality · 2021

· Verified

What's in Calif State Polytechnical Univ - Pomona — Pomona, Ca, CA tap water

19 contaminants were measured in the Calif State Polytechnical Univ - Pomona — Pomona, Ca, CA water system's 2021 annual report. Each is shown below against its federal limit.

Browse the mapFull source report ↗
Reporting year
2021
Contaminants measured
19
Over federal limit
0
Approaching the limit
0
Service area
CA
state-level CCR
Source
Utility CCR
Measured contaminants are within federal limits. Every contaminant measured in this report is below its federal threshold — but this system has 2 open Safe Drinking Water Act violations (1 health-based) on its federal record. See the compliance history below.

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.

1 open health-based violation· 2 open total
  • Maximum contaminant level exceededHealth-based
    4 violations on record · most recent Jul 2024
    resolved
  • Treatment technique violationHealth-based
    1 violation on record · most recent Oct 2024
    1 open
  • Reporting
    1 violation on record · most recent Oct 2024
    1 open

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

Radionuclides

ContaminantMeasuredStatus
Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances.10.7 pCi/LAverageCPP SystemWithin the limit
+By source (2)CPP System, MWD Supply
  • CPP SystemZone
    avg10.7 pCi/Lrange10.7 pCi/L71% of limit
  • MWD SupplyZone
    avgNot detected pCi/LrangeNot detected pCi/L0% of limit
Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances.6 pCi/LAverageMWD SupplyDetected — no federal limit
UraniumA naturally occurring radioactive metal from erosion of natural deposits.6.82 pCi/LAverageCPP SystemDetected — no federal limit
+By source (2)CPP System, MWD Supply
  • CPP SystemZone
    avg6.82 pCi/Lrange6.82 pCi/L
  • MWD SupplyZone
    avg2 pCi/Lrange1–3 pCi/L

Disinfection byproducts

ContaminantMeasuredStatus
TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.51.5 ug/LRunning annual avgCPP SystemWithin the limit
+By source (2)CPP System, MWD Supply
  • CPP SystemZone
    avg51.5 ug/Lrange35–77 ug/L96% of limit
  • MWD SupplyZone
    avg24 ug/Lrange18–24 ug/L30% of limit
HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.6.54 ug/LRunning annual avgCPP SystemWithin the limit
+By source (2)CPP System, MWD Supply
  • CPP SystemZone
    avg6.54 ug/Lrange3.4–12 ug/L20% of limit
  • MWD SupplyZone
    avgNot detected ug/Lrange0–7.6 ug/L13% of limit
PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection.2.62 ug/LAverageCPP SystemDetected — no federal limit
+By source (2)CPP System, MWD Supply
  • CPP SystemZone
    avg2.62 ug/Lrange1.7–3.6 ug/L
  • MWD SupplyZone
    avgNot detected ug/LrangeNot detected ug/L

Disinfectants

ContaminantMeasuredStatus
ChlorineA disinfectant added to drinking water to kill bacteria and viruses.2.5 mg/LAverageMWD SupplyWithin the limit
+By source (2)MWD Supply, CPP System
  • MWD SupplyZone
    avg2.5 mg/Lrange1.4–2.9 mg/L73% of limit
  • CPP SystemZone
    avg1.03 mg/Lrange0.3–1.6 mg/L40% of limit

Inorganic chemicals

ContaminantMeasuredStatus
NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits.4.9 mg/LAverageCPP SystemWithin the limit
+By source (2)CPP System, MWD Supply
  • CPP SystemZone
    avg4.9 mg/Lrange3.8–6 mg/L60% of limit
  • MWD SupplyZone
    avgNot detected mg/LrangeNot detected mg/L0% of limit
FluorideA mineral often added to drinking water to help prevent tooth decay.0.7 mg/LAverageMWD SupplyWithin the limit
+By source (3)Health Effects, MWD Supply, CPP System
  • Health EffectsPlant
    100% of limit
  • MWD SupplyZone
    avg0.7 mg/Lrange0.6–0.8 mg/L20% of limit
  • CPP SystemZone
    avg0.26 mg/Lrange0.26 mg/L7% of limit

Metals

ContaminantMeasuredStatus
CopperA metal that enters water from corroding household plumbing.150 ug/L90th percentileCPP SystemWithin the limit
+By source (2)CPP System, MWD Supply
  • CPP SystemZone
    avg150 ug/L12% of limit
  • MWD SupplyZone
    avgNot detected ug/L0% of limit
BariumA metal from erosion of natural deposits and industrial discharge.120 ug/LAverageCPP SystemWithin the limit
+By source (2)CPP System, MWD Supply
  • CPP SystemZone
    avg120 ug/Lrange120 ug/L6% of limit
  • MWD SupplyZone
    avg107 ug/Lrange107 ug/L5% of limit
Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge.1.7 ug/LAverageCPP SystemWithin the limit
+By source (2)CPP System, MWD Supply
  • CPP SystemZone
    avg1.7 ug/Lrange1.7 ug/L2% of limit
  • MWD SupplyZone
    avgNot detected ug/LrangeNot detected ug/L0% of limit
ArsenicA naturally occurring element that also enters water from industry and agriculture.Not detected ug/LRangeMWD SupplyNone detected
+By source (2)MWD Supply, CPP System
  • MWD SupplyZone
    avgNot detected ug/LrangeNot detected ug/L0% of limit
  • CPP SystemZone
    avgNot detected ug/LrangeNot detected ug/L0% of limit
LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.0.0 mg/L90th percentileAt the tapNone detected
AluminumA common element sometimes used as a treatment coagulant.156 ug/LAverageMWD SupplyDetected — no federal limit
+By source (2)MWD Supply, CPP System
  • MWD SupplyZone
    avg156 ug/Lrange58–240 ug/L
  • CPP SystemZone
    avgNot detected ug/LrangeNot detected ug/L
BoronA naturally occurring element from rock and soil.140 ug/LAverageMWD SupplyDetected — no federal limit

Microbial

ContaminantMeasuredStatus
Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals.0MaximumMWDNone detected
+By source (2)MWD, Cpp
  • MWDPlant
  • CppPlant
Total ColiformA group of bacteria used as an indicator of overall water-system sanitation.0MaximumMWDNone detected
+By source (2)MWD, Cpp
  • MWDPlant
  • CppPlant

Other

ContaminantMeasuredStatus
TceNot detected ug/LRangeMWD SupplyNone detected
+By source (2)MWD Supply, CPP System
  • MWD SupplyZone
    avgNot detected ug/LrangeNot detected ug/L0% of limit
  • CPP SystemZone
    avgNot detected ug/LrangeNot detected ug/L0% of limit
Source: Calif State Polytechnical Univ - Pomona — Pomona, Ca, CA's 2021 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 Calif State Polytechnical Univ - Pomona — Pomona, Ca, CA's water

+Is Calif State Polytechnical Univ - Pomona — Pomona, Ca, CA tap water safe to drink in 2021?

Every one of the 19 contaminants measured in Calif State Polytechnical Univ - Pomona — Pomona, Ca, CA's 2021 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 Calif State Polytechnical Univ - Pomona — Pomona, Ca, CA tap water?

19 contaminants were measured in Calif State Polytechnical Univ - Pomona — Pomona, Ca, CA's 2021 Consumer Confidence Report, spanning metals, disinfection byproducts, and radionuclides. 9 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 Calif State Polytechnical Univ - Pomona — Pomona, Ca, CA's 2021 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 Calif State Polytechnical Univ - Pomona — Pomona, Ca, 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 2021 report; a new report will replace it once the utility publishes its next annual update.

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