Environmental Monitoring and Technical Services

2392 Kincaid Road MS 45A. San Diego, CA 92101 Tel (619) 758-2300 Fax (619) 758-2309

Monthly Complete Report

Miramar/Alvarado/Otay Filtration Plants

March 2022

 

Miramar

Alvarado

Otay

 

 

Analyte

Effluent

Effluent

Effluent

Units

MDL

pH

8.02

8.13

7.83

pH

 

Conductivity

759

823

229

µmho/cm

 

Total Alkalinity

108

114

96.1

mg/L

20

Total Dissolved Solids

507

553

507

mg/L

10

Total Hardness

240

259

232

mg/L

10

Calcium Hardness

143

152

138

mg/L

10

Carbonate

1.6

0

0

mg/L

 

Bicarbonate

128

139

117

mg/L

 

Turbidity

0.08

0.07

0.05

ntu

0.05

Color

ND

ND

ND

color

1

Bromide

ND

ND

ND

mg/L

0.1

Chloride

95.4

108

110

mg/L

0.5

Fluoride

0.506

0.482

0.391

mg/L

0.02

Nitrate

ND

0.485

0.484

mg/L

0.40

Nitrate (as N)

ND

0.109

0.109

mg/L

 

Ortho Phosphate

ND

ND

ND

mg/L

0.1

Total Nitrogen

0.683

0.883

0.775

mg/L

0.156

Silica

5.45

7.38

5.82

mg/L

0.625

Sulfate

161

174

158

mg/L

0.5

Aluminum

ND

ND

ND

µg/L

5

Calcium

57.2

60.8

55.2

mg/L

 

Copper

1.67

3.18

1.49

µg/L

1

Iron

ND

ND

ND

µg/L

100

Lead

ND

ND

ND

µg/L

0.5

Manganese

12.1

5.17

ND

µg/L

0.5

Magnesium

21.5

25.4

20.8

mg/L

3

Potassium

3.69

4.12

3.78

mg/L

0.5

Sodium

70.4

75.4

76.6

mg/L

20

Zinc

ND

ND

ND

µg/L

5

Aggressive Index

12.2

12.3

11.9

.

 

Langlier Index

0.37

0.53

0.1

.

 

Total Organic Carbon

2.42

2.82

2.07

mg/L

0.3

Total THMs

22.2

11.7

21.7

µg/L

0.4

HAA5

6.62

ND

ND

µg/L

1

Bromate

ND

ND

---

µg/L

5

Chlorite

---

---

0.216

mg/L

0.02

Chlorate

---

---

0.122

mg/L

0.02

Perchlorate

---

---

---

µg/L

2

 < = Less than

ND = Not Detected

--- = Not Sampled

NR= Not Reportable

NA = Not Analyzed

MDL= Minimum Detection Limit

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