Page 11 - Consumer Confidence Report 2024

Constituents and (Units)
Alkalinity as CacO3 (mg/l) Boron (mg/l) Hardness as CaCO3 (mg/l) Perfluorobutane Sulfonic Acid (ng/l) Perfluorohexanoic Acid (ng/l) Perfluorooctane Sulfonic Acid (ng/l) Perfluoropentanoic Acid (ng/l) pH (pH Units) Sodium (mg/l) Total Organic Carbon (mg/l) Total Trihalomethanes (ug/l)(d) Haloacetic Acids (ug/l)(d) Chlorine Residual (mg/l)(d) Odor- Threshold (Units)(d) Turbidity (NTU)(e) AT-THE-TAP LEAD AND COPPER Lead (ug/l) (e) Copper (mg/l) (e) MCL
or
[MRDL]
PHG
(MCLG)
OR
[MRDLG]
Groundwater
Sources
Treated Surface
Water
DLR
Results
(a)
Range
(Min-Max)
Results
(a)
Range
(Min-Max)
OTHER CONSTITUENTS OF INTEREST (c)
NA NA NA 180 130 - 260 120 110 - 130 NL=1 NA NA ND ND 0.14 0.14 NA NA NA 190 110 - 340 270 240 - 300 NL = 500 NA NA <3 ND - 3 ND ND NA NA NA <3 ND - 5.7 ND ND NL = 6.5 1 NA <4 ND - 4.7 ND ND NA NA NA <3 ND - 4.2 ND ND NA NA NA 7.9 7.5 - 8.1 8.2 8.2 NA NA NA 25 19 - 34 110 93 - 120 TT NA NA NR NR 2.4 2.1 - 2.6 DISTRIBUTION SYSTEM SAMPLES
80 NA NA 37 2.3 - 54 60 NA NA 11 ND - 9.1 [4] [4] NA 0.77 0.12 - 1.8 3 NA NA 1 1 5 NA NA <0.1 ND - 1.3 Regulatory
compliance for
these constituents
is determined in
the City of
Glendora’s
distribution system.
Action Level PHG DLR 90th Percentile Value Sites Exceeding AL 15 0.2 5 5 1/41 1.3 0.3 0.05 0.44 0/41 MCL
Violation? Typical Source of Contaminant
N/A Runoff/leaching from natural deposits
N/A Runoff/leaching from natural deposits
N/A Runoff/leaching from natural deposits
N/A Industrial waste discharge
N/A
Industrial waste discharge
N/A Industrial waste discharge
N/A Industrial waste discharge
N/A Dissolved carbon dioxide and minerals
N/A Runoff/leaching from natural deposits
N/A Runoff/leaching from natural deposits
No Byproducts of chlorine disinfection
No Byproducts of chlorine disinfection
No Disinfection added for treatment
No Runoff/leaching from natural deposits
No Runoff/leaching from natural deposits
MCL
Violation? Typical Source of Contaminant/
Health Effects Language
No
Corrosion of household plumbing/Infants
and children who drink water containing lead
in excess of the action level may experience
delays in their physical or mental
development. Children may show slight
deficits in attention span and learning
abilities. Adults who drink this water over
many years may develop kidney problems or
high blood pressure.
No
Corrosion of household plumbing/Copper is
an essential nutrient, but some people who
drink containing copper in excess of the
action level over a relatively short amount of
time may experience gastrointestinal distress.
Some people who drink water containing
copper in excess of the action level over
many years may suffer liver or kidney
damage. People with Wilson’s Disease should
consult their personal doctor.
pg. 10