1. Introduction

JWARP

Journal of Water Resource and Protection

1945-3094

Scientific Research Publishing

10.4236/jwarp.2019.116039

JWARP-92939

Articles

Earth&Environmental Sciences

Drainage Management Problems Evaluation: Case Study Baloza and EL-Farama Drains, North Sinai, Egypt

Mohamed

Gabr

₁^*

Civil Engineering Department, High Institute for Engineering and Technology, New Damietta, Egypt

06062019

110667568918, July 20187, June 2019 10, June 2019

2014

This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/

Drainage management activities aim at maintaining the performance of drainage networks by assessing the major drainage management problems regarding sedimentation, bank erosion, vegetation, water quality, and biodiversity, to find appropriate solutions for channel improvement in order to increase agricultural productivity and maintain agricultural land and the surrounding environment. In this research, we evaluate the drainage management problems to the surface drains Baloza and EL-Farama in the cultivated Tina Plain region (21,000 hectares) North Sinai, Egypt to provide an accurate data to help decision-makers to know the status of maintenance of the watercourses and the need for improvement. For this, Intensive field investigations were carried out regarding a hydrographic survey of the actual drains cross-section using total station and aqua sounder devices, visual stream bank erosion survey, and vegetation survey. In addition, monthly water samples from the drainage water were treated and analyzed for physical and chemical, bacteriological related indices. The results showed, the studied drains suffer from sedimentation, vegetation infection, and bank erosion in some reaches and need remedy. Estimated sedimentation in EL-Farama Drain was 34369 m ³/year and in Baloza Drain 29153 m ³/year; bank slope failures upstream and downstream pump stations were recorded; the average weed infection ratio for both drains was 30%. The results of water quality parameters showed acceptable concentrations for BOD, DO, NO ₃, and total coliform according to Egypt decree, 92/2013 for the protection of the Nile River and its waterways from pollution, except TDS (more than 10,000 mg/L). The drainage water was classified as high saline and it was unacceptable for irrigation. Therefore, the author recommends to remove sedimentation and vegetation every 2 years by mechanical methods, applying gabions lining to prevent bank erosion, and treating drainage water using wetland system and utilizing the treated wastewater in fish farming.

Drainage Management Sedimentation Vegetation Water Quality Surface Drains

1. Introduction

Drainage management activities are to keep drain systems functioning effectively and efficiently. Adequate drainage system, increases land productivity, and protects the environment. Drainage management major related problems were dealt with, sedimentation, vegetation, water quality, and biodiversity [1] [2] [3] . Sediment is a fertile environment for vegetation growth, especially in the case of freshwater. Brackish or muddy water during flood season has a severe effect on stream life and other water use (domestic supply, stock watering) [4] [5] . Three sources of sediments should be taken into consideration when we deal with sedimentation management: 1) Upland erosion caused by surface washed processes, concentrated flow and mass [6] . 2) Stream bed erosion where the forces of water are capable of removing bed material [7] . 3) Stream bank erosion where the water flowing over or through the stream bank and the discharge of concentrated runoff from other sources is enough to remove bank material [8] . Vegetation management activities increase channel hydraulic efficiency, and reduce channel bank erosion. Plant growth depends on many factors such as light, temperature, nutrient levels, both in the water column and in streambed sediments, and hydrologic regime. High levels of nutrients are increasing aquatic weed growth. Plant influence of the amount of sunlight fluctuated as it effects on the rates of photosynthesis and growth [9] [10] [11] . The velocity of flowing water effects on aquatic plants intensity and distribution, where more weeds are existing on slower moving water. Water quality problems are, polluted agriculture surface and subsurface drainage water, natural and constructed drainage networks which become sinks for several sediments and contaminants [12] . Water quality problems include high dissolved solids, low dissolved oxygen, high nutrient levels, high turbidity, high rates of trace elements, and biological contaminants [13] . Biodiversity problems relate to the polluted water in the new drains, cutoff, oxbow lakes of meanders, and wetlands agriculture development; it has a negative impact on the fish populations, plant communities, and many diverse animals. Therefore optimum drainage management mitigates the contamination and adversely effects on animal and aquatic life ecosystems [14] . Nowadays, due to the degradation of water resources and limitation, there is not much opportunity for increasing the total irrigated region; the common of the increase in output from irrigated agriculture will have to emanate from investments in developed irrigation and drainage practices in current agricultural areas [15] [16] [17] . Drainage is not only a tool to battle soil salinity and waterlogging but also it plays a main role in the preservation of investments in irrigation, promoting economic growth, and ensuring the sustainability of irrigated agriculture [18] [19] [20] . The Tina Plain region in the North Sinai, Egypt is a cultivated area of 21000 hectares; the surface drains Baloza and EL-Farama bound the area from the south and north respectively. The North Sinai Sector for water resources and infrastructures, Ministry of Water Resources and Irrigation operates and manages the irrigation and drainage networks in the Tina Plain area since 1998. Therefore, the study of the drainage channel problems relating to sedimentation, vegetation, and water quality for the agriculture main drains Baloza and EL-Farama are needed to understand the processes taking place on-site to help decision-maker to apply sustainable agriculture drainage system. Therefore, in this research, we assess the major drainage channel problems relating to sedimentation, vegetation, and water quality for the agriculture main drains Baloza and EL-Farama, we assess the status of maintenance of the studied drains based on the measure of the drains actual cross-sections by hydrographic surveying, and survey vegetation infection. In addition, we assess the drainage water quality, we collect, treat, and analyze water samples from four locations in studying drains for all important water quality parameters total salinity (TDS, EC), temperature, pH, organics (DO, BOD), nutrients (NO₃), major anions (Ca, Mg, Na, K), major cations (HCO₃, CO₃, Cl, SO₄), and pathogenicity (Total Coli.).

2. Materials and Methods2.1. Description of the Study Area

The study area is located in the north Sinai, Egypt, where the North Sinai Development Project (NSDP) to reclaim and cultivate 168,000 hectares. The surface drains Baloza and EL-Farama are bounded the cultivated Tina Plain region (21,000 hectares) from south and north respectively (Figure 1). The Tina Plain region is a part of the Nile Delta, it is characterized by being flat topography with mean elevations of 1.0 m above mean sea level, and the predominate soil is clay [21] . The irrigation and drainage networks were operated and managed by the North Sinai Sector for Water Resources and Infrastructures (SWRI), Ministry of Water Resources and Irrigation (MWRI) since 1998. El-Sheikh Gaber Channel is the main irrigation channel in the NSDP, its discharge is 160 m³/sec, and the irrigation water resources are fresh Nile water blended with agricultural drainage water in a ratio of 1:1 with a maximum salinity of 1000 ppm. The famous cultivated crops are wheat, sugar beet, bean, potatoes, tomatoes, besides vegetables and poplar trees. The climate of the region is semi-arid, characterized by two main seasons, a dry season from March to November and a rainy season in winter from December to February. The average annual precipitation ranges between 80 - 120 mm and annual temperature varies from14.6˚C the winter to 27˚C in the summer. The average annual evaporation ranges from 100 - 120 mm. Baloza Drain serves an area of 23,100 hectares, the drain length is 17.480 km, bed width varying from 2.0 m at the entrance to 10 m at the outlet with water depths 1.22 m to 1.97 m respectively and the inside slope is 3:1. At the drain outlet, a pump station exists at 3.500 km, it pumps the drainage water into the Suez Canal through a carrier channel of 3.0 km length. EL-Farama Drain serves

an area of 8400 hectares, the drain length is 17.480 km, bed width varying from 2.0 m at the entrance to 10 m at the outlet with water depths 1.22 m to 1.97 m respectively, and the inside slope is 3:1. At the drain outlet, a pump station exists at 3.500 km, to pump the drainage water into the Suez Channel through a carrier channel of 3.0 km length [22] .

2.2. Hydrographic Survey

To examine the changes in the drain cross-section with respect to the designed cross-sections, groups of 18 cross-sections are distributed along the studied drains were selected according to, existing vegetation and existing hydraulic structures (Figure 2). The drains cross-sections were measured three times in one year, starting on August 2009, February 2010 and August 2010 using an echo sounder and total station survey devices. The actual cross-sections compare

with the designed ones, and the annual rate of sediments as a ratio of the designed cross-section area every 6 months is determined, additional details on the hydrographic survey are provided on [22] .

2.3. Monitoring the Aquatic Weeds

A survey to measure the vegetation infection for the studied drains are carried out using a total station survey device; additional details on vegetation are provided in [22] .

2.4. Drainage Water Samples Collection and Analysis

Water samples are collected every month from four monitoring locations, two locations in Baloza Drain, at N30˚57'29.81'', E32˚20'56.95'' (downstream pump station at 3.500 km from drain outlet), and at 2N30˚59'16.16'', E32˚28'7.94'' (13.500 km from drain outlet). In addition, two locations in EL-Farama drain at N31˚4'21.91'', E32˚20'46.91'' (downstream pump station at 3.500 km from drain outlet) and N31˚4'18.32'', E32˚21'39.01'' (13.500 km from drain outlet) during the period from 2010 to 2014 (Figure 2). When taking water samples principles in [23] were considered. Total salinity (Electrical Conductivity (EC), total dissolved solids (TDS)), temperature, pH, were measured in situ. These parameters were measured using portable electrodes (Loveland). The rest of parameters, organics (DO, BOD), nutrients (NO₃), soluble ions (Ca, Mg, Na, K, HCO₃, CO₃, Cl, SO₄), and pathogenicity (Total Coli.) were determined at the Center Laboratories for Environmental Quality Monitoring, National Water Research Center, Ministry of Water Resources and Irrigation, Cairo, Egypt.

Evaluation of the water quality data is carried out by statistical methods. The quality parameters like salinity (EC), (TDS), and toxicity due to chloride and sodium (sodium adsorption ratio (SAR) value is an indicator to predict permissible sodium levels in irrigation water to maintain soil structural stability) are determined to assess the suitability of drainage water to reuse in irrigation. To protect the non-fresh water resources, in case of discharging the drainage water into the sea, the measured drainage water parameters were compared with the Egyptian standards decree 92/2013, Executive Regulation of Law 48/1982 that protects non-fresh watercourses from pollution by the discharged effluents [24] . Additional details on the study of water quality for Baloza and EL-Farama drains are provided in [25] .

Table 1, summarizes the calculated average annual cross-section deformation as a ratio of the designed cross-section for the period from August 2009 to February 2010 and from February 2010 to 2010 August for the studied drains, it shows sedimentation in all measured cross-sections. Figure 3 shows the cross-section deformation as a ratio of the designed cross-section area along EL-Farama drain path, the critical sedimentation reaches are from 0.250 km to 2.250 km and from 14.950 km to 19.50 km where, the reduction in the designed cross-section area ranges from 10.55% to 12.64% and 1.98 % to 11.8% respectively. The total calculated annual sedimentation in EL-Farama Drain is 34,369 m³. Figure 4 shows the cross-section deformation as a ratio of the designed cross-section area along Baloza Drain path the critical sedimentation reaches are from 0.300 km to 3.300 km and from 11.300 km to 13.300 km, the reduction in the designed cross-section area ranges from 9.64% to 7.51% and 4.785 % to 7.74% respectively. The estimated total annual sedimentation is 29,153 m³. The increasing in sedimentation rates for the previous reaches are due to windblown during March month loaded with fine sands, coming from northern north west direction [21] [26] . The fallen sand inside watercourse reduces its cross section area, which so decreases storage capacity, constitutes a good environment for the growth of aquatic weeds, and effect on water quality, and reduces the hydraulic efficiency. Windbreakers of wooden trees (Casuarina and Equistifofia) of a matrix of one row can be used to reduce the fallen sand rates in the studied drains [21] .

3. Results and Discussions3.1. Drains Cross-Section Area Deformation

Table 1 Calculated average annual cross-section deformation as a ratio of the designed cross-section area

Drain name	Cross-Section No.	Location (km)	Cross-section deformation ratio¹ (% of the designed cross-section area)
Drain name	Cross-Section No.	Location (km)	During period from August 2009 to February 2010	During period from February 2010 to August 2010	Yearly average
EL-Farama	1	0.250	1.87	1.93	1.90
	2	2.250	13.00	9.55	11.28
	3	5.000	8.00	7.65	7.83
	4	7.500	1.00	4.81	2.91
	5	10.000	5.00	5.11	5.06
	6	12.400	3.68	4.23	3.96
	7	14.950	11.96	9.13	10.55
	8	17.500	11.00	10.15	10.58
	9	19.500	14.15	11.12	12.64
Baloza	1	0.300	2.00	7.56	4.78
	2	3.300	8.04	7.44	7.74
	3	5.300	2.99	4.17	3.58
	4	7.300	3.73	3.77	3.75
	5	9.300	2.63	3.66	3.15
	6	11.300	10.16	9.11	9.64
	7	13.300	7.96	7.05	7.51
	8	15.300	4.42	4.58	4.50
	9	17.300	6.75	9.41	8.08

¹Positive values means sedimentation.

3.2. Vegetation Infection

Table 2 summarizes weeds types and its infection percentage in the studied drains. Looking at Table 2, the weed infection ratio for Baloza Drain at the reach from 0.00 km to 3.30 km is 30%, the reach from 0.00 km to 3.30 km is 40%, the reach from 5.50 km to 7.0 km is 30%, and the reach from 7.00 km to 9.30 km the weed infection ratio is 20%. The Phragmites australis, Cyperus articulates and Ceratophyllum demersum were the exiting vegetation. For EL-Farama Drain the reach from 0.00 km to 3.00 km the weed infection ratio is 30%, Phragmites australis, Cyperus articulates, and Ceratophyllum demersum were the exiting vegetation. Vegetation is the extension of plant diversity of the Damietta Branch, River Nile, Egypt [27] .

3.3. Bank Erosion

Bank slope failures upstream and downstream pumps were recorded up stream

Table 2 Weeds types and its infection percentage the studied drains

Drain name	Cross-Section No.	Weed infection ratio (%)	Types of exiting vegetation
Baloza Drain	0.00 km - 3.30 km	30	Phragmites australis, Cyperus articulates and Ceratophyllum demersum
	3.30 km - 5.50 km	40
	5.50 km - 7.00 km	30
	7.00 km - 9.30 km	20
EL-Farama Drain	0.00 km - 3.00 km	30	Phragmites australis, Cyperus articulates and Ceratophyllum demersum

and down steam pump stations. The soil analysis for drains bed and banks [22] showed that the soil classification for El-Faram Drain soil classification at the bed at 0.250 km was silty clay, at right bank 7.500 km was silty sand, and at right bank, 7.500 km was silty clay. For Baloza Drain soil classification is sandy soil. Lining of the drains inside slopes with riprap or gabions was recommended to prevent bank erosion [28] .

3.4. Methodology for Channel Maintenance Method

To identify the channel priority to be maintained the following steps are essential:

Step 1: Define the related geometry and features of the channel

Based on the national database for the Egyptian Ministry of Water Resources and Irrigation (MWRI) the geometry of the cross-section, the bed slope of the reach, and the type of vegetation, which defines the roughness coefficient, are determined for all the main watercourses in Egypt. The national database is used to obtain this information, although it is acknowledged that local information, when available, may provide more reliable and accurate inputs.

Step 2: Describe maintenance scenarios (Comprising sediment and vegetation management)

Maintenance scenarios depend on characteristics of the watercourse, and the results of sedimentation and vegetation surveying.

Step 3: Compute the impact of maintenance

The variation in the conveyance capacity of the main channel (expressed as a percentage) is utilized to compute the impacts of maintenance. This parameter estimates for all watercourses in order to deliver a simple and reliable measure of the impacts of maintenance works.

Step 4: Detecting the ideal management option

The choice of the ideal maintenance option is based on the chance of the attributes in a watercourse length of the highest impacts on conveyance management and highest benefits associated to the watercourse. Information provided by the MWRI is used to estimate the costs of vegetation maintenance works, defined as pounds per meter. The ratio between benefits and costs is utilized to choose the preferred maintenance option on a particular channel, which is the one with the largest ratio in the case of dredging, it is not possible to state the cost of the works at the national level due to the large differences depending on the features of the site. The costing of this type of works also requires to take into consideration the disposal of material off-site, which could have large variations. We suggest a maintenance program for the studied drains to remove the sedimentation and vegetation every 2 years from the most exposed reaches by utilizing a hydraulic excavator with a long boom (Table 3).

3.5. Drainage Water Quality

Analytical results for the chemical, physical, and bacteriological water quality parameters including statistical analysis, such as maximum, minimum, mean and standard deviation are summarized in Table 4 & Table 5 for Baloza and

Table 3 Suggested maintenance program for the studied surfaces drain

Watercourse	Maintenance Type
	Vegetation Removing			Sedimentation Removing
	Procedure	Machine	Annual rate	Procedure	Machine	Annual rate
Baloza Drain	Mechanical	Hydraulic Excavator with long boom and vegetation cutting bucket	1/2 (Every 2 years)	Mechanical	Hydraulic Excavator with long boom and sedimentation dredging bucket	1/2 (Every 2 years)
EL-Farama Drain	Mechanical	Hydraulic Excavator with long boom and vegetation cutting bucket	1/2 (Every 2 years)	Mechanical	Hydraulic Excavator with long boom and sedimentation dredging bucket	1/2 (Every 2 years)

Table 4 Summary statistics water quality parameters in Baloza drain for the two monitoring sites from 2010 to 2014 compared to limit by Egypt decree [<xref ref-type="bibr" rid="scirp.92939-ref24">24</xref>]

Indicator/measure	Unit	Max.	Min.	Standard Deviation	Mean	Limit by Egypt decree [24]
PH	-	8	8	0.1	8	6 - 9
EC	ds/m	29.1	12	6.8	19	7.8
TDS	mg/L	18633	7680	4343.1	12464	<5000
Temperature	˚C	23.1	15	2.7	20	>3
SAR	mg/L	88.6	20	20.4	43	-
Ca	mg/L	53.2	9	12.1	22	-
Mg	mg/L	37	12	7.0	23	-
Na	mg/L	333.9	85	71.4	164	-
K	mg/L	3.1	1	0.7	2	-
CO₃	mg/L	0	0	0	0	-
HCO₃	mg/L	6.9	2	1.4	4	-
Cl	mg/L	322.6	82	71.4	174	-
SO₄	mg/L	52	11	11.7	35	-
DO	mg/L	7.8	4	1.0	6	>5
BOD	mg/L	13.8	6	2.1	11	<60
NO₃	mg/L	5.7	3	1.0	4	-
Total Coli.	MPN/100 ml	3957	233	1218.7	1524	<5000

Table 5 Summary statistics water quality parameters in EL-Farama drain for the two monitoring sites from 2010 to 2014 compared with the limit by Egypt decree [<xref ref-type="bibr" rid="scirp.92939-ref24">24</xref>]

Indicator/measure	Unit	Max.	Min.	Standard Deviation	Mean	Limit by Egypt decree [24]
PH	-	8.1	8	0.1	8	6 - 9
EC	ds/m	17.3	9	2.4	12	7.8
TDS	mg/L	11053.0	5955	1534.1	7473	<5000
Temperature	^oC	22.8	15	2.5	20	>3
SAR	mg/L	48.5	15	11.0	30	-
Ca	mg/L	22.1	6	5.9	15	-
Mg	mg/L	20.1	11	2.9	16	-
Na	mg/L	98.6	63	11.8	80	-
K	mg/L	2.2	1	2.9	3	-
CO₃	mg/L	0.0	0	0.0	0	-
HCO₃	mg/L	6.7	3	1.2	4	-
Cl	mg/L	157.7	68	30.4	94	-
SO₄	mg/L	32.0	8	8.3	23	-
DO	mg/L	8.7	6	0.7	7	>5
BOD	mg/L	18.0	9	2.6	13	<60
NO₃	mg/L	5.6	3	0.9	4	-
Total Coli.	MPN/100 ml	4986.0	174	1299.0	1732	<5000

Table 6 Water classification by salinity

Water quality grade	EC (dS/m)	(TDS mg/L)
Non-saline water	<0.7	<500
Saline water	0.7 - 42	500 - 3000
Slightly saline	0.7 - 3.0	5000 - 2000
Medium saline	3 - 6	2000 - 4000
Highly saline	>6.0	>4000
Very saline	>14	>9000
Brine	>42	>30,000

FAO, 2007 [29] .

EL-Farama Drains respectively. For Baloza Drain water temperature ranges from 15˚C to 23.1˚C with an average of (20 ˚C ± 2.7˚C), pH is (8 ± 0.1) indicating alkaline water. TDS ranges from 7680 mg/L to 18,633 mg/L with an average (12,464 ± 4343.1) mg/L, TDS is unacceptable according to Egyptian local low Egyptian decree 92/2013. The drainage water quality classifies as a high saline according to [29] (Table 6). EC ranges from 12 to 29.1 dS/m with an average (19 ± 6.8) mg/L indicating high saline water. SAR is calculated using the formula presented in [29] , it ranges from 20 to 88.6 mg/L with an average (43 ± 20.4) mg/L indicates slight reduction potential infiltration problem. DO ranges from 4 to 7.8 mg/L with an average (6 ± 1) mg/L indicates good dissolved oxygen, BOD ranges from 6 to 13.8 mg/L with an average (11 ± 2.1) mg/L indicates acceptable BOD < 60 mg/L according to [24] . NO₃ ranges from 3 to 5.7 mg/L with an average (4 ± 1) mg/L. In addition, the Total Coli. ranges from 174 to 4986 in MPN/100 ml with an average of (1524 ± 1218.7) in MPN/100 ml acceptable according to [24] . The abundance of cations in the drainage water is in the following order: Na⁺ > Mg²⁺ > Ca²⁺ > K⁺. The concentrations of cations are (80 ± 11.8) mg/L, (16 ± 2.9) mg/L, (15 ± 5.9) mg/L, and (3 ± 2.9) mg/L mg/L for Na⁺, Mg²⁺, Ca²⁺, and K⁺ respectively. Chloride is the dominant anion, followed by sulfate and bicarbonate. The average concentrations of the anions Cl, SO₄, and HCO₃ are (174 ± 71.4) mg/L, (35 ± 11.7) mg/L, and (4 ± 1.4) mg/L respectively. For EL-Farama Drain temperature ranges from (14.9˚C to 22.9˚C) with an average (19.9˚C ± 2.6˚C), pH ranges from 7.8 to 7.9 with an average (7.9 ± 0.1) indicates alkaline water. TDS ranges from 7680 mg/L to 9612 mg/L with an average (8774 ± 681.7) mg/L, TDS is unacceptable according to Egyptian local decree 92/2013 [24] and the drainage water quality classify as a high saline (Table 6) [29] . EC ranges from 12 to 15 dS/m with an average (13.7 ± 1.1) indicate high saline water. SAR ranges from 20.2 to 54.3 mg/L with an average (33 ± 12.1) mg/L indicates slight reduction potential infiltration problem. DO ranges from 4.5 to 6.7 mg/L with an average (5.5 ± 0.9) indicates good dissolved oxygen, BOD ranges from 10 to 13.2 mg/L with an average (11.7 ± 1.1) mg/L indicates acceptable BOD < 60 mg/L. NO₃ ranges from 2.8 to 5.4 mg/L with an average (3.8 ± 0.9) mg/L and the Total Coli. ranges from 275 to 3957 in MPN/100ml with an average of (2330.4 ± 1206) in MPN/100 ml, it is acceptable according to [24] . The abundance of cations in the drainage water is in the following order: Na⁺ > Mg²⁺ > Ca²⁺ > K⁺. The average concentrations of cations averages are (107.2 ± 21.5) mg/L, (17.7 ± 4.3) mg/L, (16.3 ± 6.5) mg/L, and (1.5 ± 0.4) mg/L mg/L for Na+, Mg²⁺, Ca²⁺, and K⁺ respectively. Chloride is the dominant anion, followed by sulfate and bicarbonate. The average concentrations of the anions Cl, SO₄, and HCO₃ are (114.5 ± 24.8) mg/L, (28.7 ± 11.1) mg/L, and (3.3 ± 0.7) mg/L respectively.

Suitability of drainage water for irrigation

The general criteria for assessing the drainage water quality to be used in irrigation are based on the total concentration of dissolved salts (TDS); relative proportion of sodium to other principal cations, the relative proportion of bicarbonate to calcium and magnesium, and elements that may be toxic (sulfates concentration and chloride concentration) (Table 7) reflect high saline water. According to [29] [30] Baloza drainage water is unacceptable for irrigation.

4. Conclusions and Recommendations

Drainage management activities are to keep drain systems functioning effectively and efficiently. Field investigation of the drainage management problems is an important tool to provide accurate data to help decision-makers to know the status of maintenance of the watercourses and the need for improvement. In the present study, major drainage management problems regarding sedimentation,

Table 7 Water quality for irrigation

Classes of Water	Parameters					Suitability for Irrigation
Classes of Water	TDS mg/L	SO₄ mg/L	Cl mg/L	EC dS/m	SAR %	Suitability for Irrigation
I	0 - 700	0 - 192	0 - 142	0 - 0.75	<1	Excellent to good for irrigation
II	700 - 2000	192 - 480	142 - 355	0.75 - 2.25	5 - 11	Good to harmful suitable soil
III	>2000	>480	>355	>2.25	>23	Unfit for soil

Kumar, et al. 2007 [30] .

bank erosion, vegetation, and water quality were investigated for the surface drains Baloza and EL-Farama in the cultivated Tina Plain region (21,000 hectares) North Sinai, Egypt. The summarized conclusions are as follows. The studied drains suffer from sedimentation, vegetation infection, and bank erosion in some reaches and need remedy. The choice of the ideal maintenance option is based on the highest impacts on conveyance management and highest benefits associated to the watercourse. High measured annual sedimentation volume for EL-Farama drain is 34,369 m³/year. High measured annual sedimentation volume for Baloza is 29,153 m³/year. Measured average weeds infection ratio is 30%. Bank slope failures upstream and downstream pump stations were recorded. The average weed infection ratio for both drains is 30%. Drainage water quality classifies as high saline water, BOD, DO, NO₃, and total coliform at the permitted limits of the Egypt decree (92/2013), except for TDS (more than 10,000 mg/L). Therefore, Baloza and El-Farama drainage water is unacceptable for reusing in irrigation. Thus, for sustainable drainage management we suggest a maintenance program to remove sedimentation and vegetation every 2 years from the most exposed reaches utilizing a hydraulic excavator with a long boom, applying gabions lining to prevent bank erosion, and treating drainage water using constructed wetland systems.

Acknowledgements

I am thankful for the logistical and technical support provided by the Sector of Water Resources, Irrigation and Infrastructures, North Sinai, Ministry of Water Resources and Irrigation (MWRI), Egypt, and the Egyptian Channel Maintenance Research Institute (CMRI), National, (MWRI). During the research period, the author was a senior engineer in the Studies and Design Directorate, Sector of Water Resources, Irrigation and Infrastructures, North Sinai, MWRI, supervising the study of assessing of the irrigation and drainage network maintenance at the North Sinai Project, North Sinai.

Conflicts of Interest

The author declares no conflict of interest.

Cite this paper

Gabr, M. (2019) Drainage Management Problems Evaluation: Case Study Baloza and EL-Farama Drains, North Sinai, Egypt. Journal of Water Resource and Protection, 11, 675-689. https://doi.org/10.4236/jwarp.2019.116039

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