Newport Comprehensive Land Use Plan - Existing Conditions | Page 183

13 Infrastructure & Water Supply
Table 13-5 - Detected Contaminants 2014
Microbiological
Contaminants
Turbidity (1)

MCLG
n/a

Detected
Level
0.30

TT

n/a

Unit

MCL

2014

ppb

Barium (5)

2014

Chromium (5)

Period
2014

Unit
NTU

MCL
TT

Total Organic
Carbon

2014

Removal
Ratio

Inorganic
Contaminants

Period

Arsenic (5)

SDWA
Violation
No

Range
100%

Major Sources
Soil runoff

1.07

0.93 1.91

Naturally present in
environment

No

MCLG

Detected
Level

Range

Major Sources

SDWA
Violation

10

0

1.00

ND – 1

Erosion of natural
deposits; runoff from
orchards; runoff from
glass and electronics
production wastes.

No

ppm

2.0

2.0

0.010

0.004 0.010

Discharge of drilling
wastes; discharge
from metal refineries;
erosion of natural
deposits

No

2014

ppb

100

100

1

ND - 1

Discharge from steel
and pulp mills;
Erosion of natural
deposits

No

Copper (2)

2013

ppm

AL=1.
3

1.3

0.055

0

Corrosion of
household plumbing
systems; erosion of
natural deposits;
leaching from wood
preservatives.

No

Fluoride (3)

2014

ppm

4.0

4.0

0.94

0.04 0.94

Water additive which
promotes strong
teeth

No

Lead (2)

2013

ppb

AL=15

0

6

0

Corrosion of
household plumbing
systems; erosion of
natural deposits.

No

Nitrite (5)

2014

ppm

1

1

0.02

ND - 0.02

Runoff from fertilizer
use; leaching from
septic tanks;
sewage; erosion of
natural deposits.

No

Nitrate (5)

2014

ppm

10

10

0.58

0.06 0.58

Runoff from fertilizer
use; leaching from
septic tanks;
sewage; erosion of
natural deposits.

No

Draft Existing Conditions (March 2016)

SMCL

2.0

Page 13-5