National Water Act, 1998 (Act No. 36 of 1998)RegulationsWater Use Licence Application and Appeals Regulations, 2017AnnexuresAnnexure DThe Tables of Contents1 Waste Water Treatment/Water Treatment Plants Technical Report |
A THE EXECUTIVE
The executive summary should summarise the overall benefits of the water supply and or waste water management project to the beneficiary communities. In regards to a waste water management project it should highlight the major environmental findings and how these will be managed to prevent, reduce or rehabilitate adverse impacts.
| B | TABLE OF CONTENTS OF THE TECHNICAL REPORT |
Application for a licence to take water from a water resource for domestic and industrial supply, and to dispose offwaste from a waste treatment works by, e.g. discharge, irrigation etc.
WASTE WATER TREATMENT WORKS AND WATER TREATMENT WORKS (POTABLE USE)
Part 1 : Administrative lnformation and Brief Project Description
(NB: use maps to indicate the information where necessary)
| 1.1 | Name, address, telephone and fax numbers and contact persons for: |
| • | Water Services Authority /Water Servíces Provider/ |
| • | The holding company /authority/ |
| • | The applicant (name and status) |
| 1.2 | Details of existing exemptions - if applicable. |
(In terms of sections of the National Environmental Management Act if exempt to the report)
| 1.3 | Details of the contract between the water services authority and the water |
(Attach a copy of the contract to this report)
| 1.4 | Magisterial district and relevant regional services authority |
| 1.5 | Name of the nearest town/residential area and its distance from the site |
| 1.6 | Surface infrastructure serving the site(e.g. roads, railways, power lines, etc.) |
| 1.7 | Ownership of the land |
| 1.8 | Longitude and Latitude of the site |
| 1.9 | Zoning of the land |
| 1.10 | Ownership of adjacent/potentially impacted land |
| 1.11 | Occupier of the adjacent land |
| 1.12 | Zoning of the adjacent land |
| 1.13 | Name of the river catchment |
| 1.14 | Brief description of the intention of this application |
| 1.15 | Has the Water Treatment Plant and/or Sewage Treatment Works been included in the Water Services Development Plan (WSDP) |
WSDP Registry File Number as given by the Department
WASTE WATER TREATMENT WORKS
Part 2 : Description of the Environment (for orientation and first order screening)
2.1 Climate
2.1.1 Regional climate
2.1.2 Rainfall data
2.1.3 Temperature data
2.1.4 Wind data
2.1.5 Evaporation data
| 2.1.6 | Any extreme weather conditions prevalent (e.g. snow, frost, hails, etc.) |
2.2 Topography
2.3 Soil
| 2.4 | Geology - General geology of the area - presence of dykes, sills and faults |
| 2.5 | Land capacity (arable, grazing, wetland or wilderness) |
| 2.6 | Land use - zoning |
| 2.7 | Natural vegetation and plant life |
| 2.8 | Surface water |
- name of nearest watercourse
- water quality - pH, conductivity etc.
- surface water use(domestic, industrial, agricultural, recreational or natural environment)
- water authority
- presence of wetlands
| 2.9 | Groundwater |
- presence and position on a map, of boreholes within a 1000m radium of the site
- yield of boreholes
- groundwater use
- groundwater quality (pH, conductivity, nitrate)
2.10 Air quality
2.11 Noise
2.12 Sites of archaeological interest
2.13 Sensitive landscapes
2.14 Visual aspects
| 2.15 | Regional socio- economic structure(Short description) |
- Population, economic activities, unemployment rate, housing demand, social infrastructure, water supply and sanitation, power supply
2.16 lnterested and affected parties
2.17 Industrial activity
(types of industries present, waste purification, - by industry/third party, by local authority)
Part 3 : Watersupply
3.1 Water use
3.1.1 Sources of water
(local authority, river, boreholes, sea, irrigation board or waterboard, use of excess groundwater, recycled waste(internal source, e.g. Cooling water), recycled waste(external source, e.g. sewage waste) (In all above cases the average daily /monthly and maximum daily /monthly quantities are required)
| 3.1.2 | Yearly usage patterns (e.g. more in summer than winter) |
| 3.1.3 | Yearly water use |
| 3.1.4 | Water rights(Legal documents) |
(riparian rights, public or private water, entitlements, water court orders, quotas, agreements)
Part 4 : Description of Reticulation system
| 4.1 | Percentage of area served which is un-sewered |
4.1.1 How is this area serviced:
(pit latrines bucket system, conservancy tanks, septic tanks and French drains)
| 4.2 | Percentage of the area which is sewered or to be sewered |
| 4.2.1 | What type of network is in place /will be installed |
- (standard reticulation, small bore system)
4.2.2 Location of sewers
- midblock
- standard
| 4.3 | Nature of sewage |
| 4.3.1 | Domestic component -projections(no. of persons) |
Population |
Yearx |
Yearx+5 |
Yearx+10 |
Yearx+15 |
Yearx+20 |
High Income Permanent |
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Low Income Permanent |
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Holiday Makers |
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4.3.2 Industrial component
- daily volumes /expected volume treated
- type of industrial waste (mainly organic, organic, heavy metals, mixture)
- names of industries contributing to the volume (and locally treated) including problem constituents received from each
4.4 Hydraulic and organic loading
4.4.1 Hydraulic loading
(High-income, low income, holiday makers, industrial component)
4.4.2 COD load (g/day)
| 4.4.3 | Total Nitrogen as TKN(g/day) |
4.4.4 PhosphateasP (g/day)
| 4.4.5 | Peak dry weather flowfactor- XxNormaI DWF |
| 4.4.6 | Peak wet weather flowfactor- XxPeak DWF |
Part 5 : Description of Sewage Treatment works and Classification
| 5.1 | InIet works (screens, grit channels and flow measurement) |
| 5.1.1 | Method of disposal of screenings and grit, (e.g by burial, incineration, etc.) |
| 5.1.2 | Location of the disposal site and/or the name of the solid waste dump |
| 5.1.3 | Method of flow measurement |
5.2 Primary sedimentation tanks
| 5.2.1 | What is the nominal upwardflow rates for: |
- average dry weather (m3 /hr)
- peak stormflow(m3 /hr)
5.3 Septic tanks
(number of septic tanks and volume of each, average retention time in the tank(s) at average dry weather flow(hours), average depth of tank(s)(m), (proposed) methods of periodical desludging, methods of disposal of the sIudge so removed, method of disposal of the overflow, if not to further processing, e.g. to French drains, soak-away, etc.).
5.4 Biological filtration systems
(Cubic metre of settled sewage per cubic metre of media per day (m3/m3 /day), number of grams of "4 hour PV" per cubic metre of media per day (gm /m3 /day))
| 5.5 | Activated sludge systems - where applicable, give proprietary names: State the: |
| 5.5.1 | Type of system and basic design information; |
| 5.5.2 | Method of operation; and |
| 5.5.3 | Method of phosphate removal, if any. |
| 5.6 | Humus tanks or secondary sedimentation tanks |
| 5.6.1 | What is the nominal upward flow rate for: |
-average dry weather flow (m3 /hr)
-peak storm flow(m3 /hr)
| 5.7 | Sludge handling: |
| 5.7.1 | State the quantity of wet sludge (to be produced per day) (m3) |
| 5.7.2 | State the method of treatment of surplus activated sludge discharged, prior to its disposal on land or to drying beds or by other means |
| 5.7.3 | State the relative digester capacity (m3 /capita) |
| 5.7.4 | State the total digester capacity (m3) |
| 5.7.5 | How is the supernatant liquid (to be) disposed of |
| 5.7.6 | If land disposal of wet sludge is (to be) used, state the area of land (ha) |
| 5.7.7 | State the relative capacity (m3 /capita) of any sludge drying beds |
| 5.7.8 | Slate the total area (m2) of any sludge drying beds |
| 5.7.9 | How is drainage from the beds or other separators (to be) dealt with? |
| 5.7.10 | What other means are (to be) used for dealing with digested or any other sludge? |
| 5.7.11 | How is dried sludge (to be) finally disposed of, e.g. on land, by incineration, etc.? |
| 5.8 | Oxidation pond systems |
| 5.8.1 | Describe any pre-treatment units ahead of the ponds and state their capacity |
| 5.8.2 | State the number of ponds in the system, their depth and surface area for each |
| 5.8.3 | Give the sequence of flow through the pond system |
5.8.4 What is the:
- average dry weather flow (m3 /hr)
- peak storm flow (m3 /hr) of the pond system, if any?
| 5.8.5 | Where is the outflow (to be) directed to, e.g. evaporation ponds, irrigation, etc. |
| 5.9 | Tertiary treatment - state basic design details, where applicable for: |
| 5.9.1 | Micromesh screens |
| 5.9.2 | Rapid gravity sand filters |
| 5.9.3 | Slow sand filters |
| 5.9.4 | Hamlin filters |
| 5.9.5 | Reed bed systems |
| 5.9.6 | Maturation pond system, (i.e. the number of ponds, the sequence in which they are used (e.g. in series), the retention time in each pond (days) and the total capacity of the ponds(m3)) |
| 5.9.7 | Phosphate removal - give details of the method and of the basic design |
| 5.9.8 | Disinfection of the final effluent - (if by chlorination, give details of the method and the contact time in the pond or contact tank; if by any other method, UV light, ozone, etc., give details of use, including the period of application and the intensity) |
| 5.9.9 | Any other tertiary treatment |
| 5.10 | CIassification of works and operators |
| 5.10.1 | ls the works classified? |
| 5.1 0.2 | Are all operators classified? |
(- request relevant forms for classification of both the works and the operators in terms of the present Regulation No. R2834 from (012)336 7547)
| 5.11 | Fencing around the works - describe. |
Part 6 : Water and Materials Balance Diagram
(Supply a flow diagram showing all inputs and outputs (including materials, chemicals, wastes, sludge's solid waste etc.)
Part 7 : Management Systems and Pollution Prevention Methods
| 7.1 | Description of hierarchy of operating staff |
| 7.2 | Availability of mechanical maintenance staff |
| 7.3 | Availability of electrical maintenance staff |
| 7.4 | Availability of process control staff and/or process consultants |
| 7.5 | Are there a set of drainage by-laws in place (if so, attach a copy) - are there by-laws actively administered |
| 7.6 | Technology - (This must be answered considering the description of the environment and the environmental impacts) |
| 7.6.1 | Is the waste treatment process the best option to protect the described environment - motivate |
| 7.6.2 | ls the disposal practice the best option - motivate |
| 7.6.3 | Is the be available technology in use (best environmental option) - motivate |
| 7.6.4 | What is the alternative option of treatment and disposal? |
| 7.6.5 | Why was the proposed /existing option chosen? |
7.7 WQ Operational Management Plan
| 7.7.1 | What are the chances of a system failure? |
| 7.7.2 | What are the implications of such failure? |
| 7.7.3 | What safety factors have been used? |
| 7.7.4 | What is the management and maintenance plans? |
| 7.7.5 | Availability of standby/spare equipment? |
| 7.7.6 | What is the accident and emergency action plans? |
| 7.7.7 | What plans are there to minimise the pollution hazard/potential? |
| 7.7.8 | What monitoring and auditing systems do you have to detect malfunctions? |
| 7.7.9 | Are there alarm systems in place at all pump stations? |
| 7.7.10 | Are there notification procedures for the downstream users? |
Part 8 : Disposal of solid waste and sludge
8.1 Description of solid waste
| 8.1.1 | Solid waste |
- quantity (tons per day, tons per year)
| 8.1.2 | Analyses of solid waste (composition and percentages) |
8.2 Description of sludge
- quantity (tons per day, tons per year)
| 8.2.1 | Analyses of sludge |
| 8.2.2 | Classification of sludge according to the Guidelines: Permissible Utilisation and Disposal of Sewage Sludge, Edition 1 August 1997. |
| 8.2.3 | Disposal to ponds/lagoons Groundwater monitoring |
| 8.2.4 | Land disposal |
(irrigation, Composting, Analyses of soils, On site/Off site, Description of groundwater monitoring)
| 8.2.5 | Description of contracts for removal of sludge |
Part 9 : Final Waste Disposal Evaluation
(There are various options which can be taken when disposing of waste. It can be disposed of to:
- land, ponds/dams and or irrigation, groundwater, recharging of aquifers, surface water, estuaries or lagoons, sea, surf zone, deep sea pipeline, air- evaporation, municipal works or private contractor, contained area mined out areas (underground).
The waste disposal practice needs to be fully evaluated taking into account various norms and standards. lt is imperative that the practice is shown to have a minimal environmental impact and that the practice has the minimum effect on the health and interest of other water users in the environment.)
| 9.1 | Quantity |
- ( number of days discharged, average m3 per day/maximum and peak, average m3 per year /maximum and peak)
9.2 Land disposal - ponds or dams
| 9.2.1 | Waste quality analyses (pH/ conductivity / sugaended solids (SS)/ COD/ NH/ NO/ Ortho phosphate (asP) /Feacalcoli) |
| 9.2.2 | What is the waste quantity -daily volumes |
- monthly volumes for each month
| 9.2.3 | What is the geology under- lying the dams |
| 9.2.4 | What is the depth of the water table? |
| 9.2.5 | What is the slope of the site |
| 9.2.6 | What is the average monthly evaporation and rainfall |
- monthly totals
| 9.2.7 | Calculate the positive/negative monthly evaporation rate using all the above information |
| 9.2.8 | Calculate the size of the ponds required. Take into account the waste that was stored during months of negative evaporation rates. |
| 9.2.9 | What is the situation of the dams with regard to? |
(Rivers/boreholes/ use/yield/ quality/ springs/fountains/natural depressions/ urban areas /dwellings)
| 9.2.10 | ls the dam site protected from ingress of storm water |
| 9.2.11 | What is the use of groundwater in the vicinity |
(Domestic / agricultural/ industrial/ recreational/ environmental)
| 9.2.12 | Have the dams been sealed with |
- plastic liners
- bentonite or other clay
| 9.2.13 | Are there seepage collection drains and returns pumps |
| 9.2.14 | Describe the leakage detection and monitoring systems in place |
| 9.3 | Land disposal - Irrigation areas |
| 9.3.1 | Waste quality analyses |
(pH /conductivity /suspended solids (SS1COD / NH/ NO/ Ortho phosphate(asP)/Feacalcoii)
9.3.2 What is the waste quantity?
- daily volumes
- monthly total for each month
| 9.3.3 | What is the average monthly evaporation and rainfall? |
| 9.3.4 | What is the crop to be irrigated |
| 9.3.5 | What is the crop factor |
| 9.3.6 | What type of irrigation method issued (flood or overhead ?) - how many overhead sprayers are in place |
-how many days are in an irrigation cycle (attach an irrigation design layout and management plan)
| 9.3.7 | What is the irrigation/application efficiency? |
| 9.3.8 | Determine the monthly crop irrigation requirements |
| 9.3.9 | hat is the permeability and infiltration rate of the soil profile |
| 9.3.10 | What is the slope of the irrigation area |
| 9.3.11 | What is the root depth of the soil |
| 9.3.12 | What is the underlying geology |
| 9.3.13 | Calculate the size of the irrigatíon area required. Take into account the irrigation of waste that was stored during months of negative evaporation rates |
| 9.3.14 | What is the depth of the water table |
(Summer/winter)
| 9.3.15 | Quality of the groundwater (macro analyses - major anions and cations) |
| 9.3.16 | SIope of the irrigation area |
| 9.3.17 | Direction of groundwater flow |
| 9.3.18 | Situation of the area with regard to: |
(Rivers/boreholes' use/ yield/ quality / springs/fountains/natural depressions/urban areas/dwellings)
| 9.3.19 | What is groundwater in the vicinity used for? |
(Domestic / agricultural/ industrial/ recreational/ environmental)
| 9.3.20 | Are there environmental protection methods in place such as: |
- stormwater cut-off trenches above the site
- cut-off canals below the site
| 9.3.21 | What soil amendments are done per season to sustain soil fertility and permeability |
| 9.3.22 | Soil evaluation (analyses) |
| 9.4 | Disposal to groundwater |
| 9.4.1 | Waste volume |
| 9.4.2 | Waste quality analyses |
(pH/conductivity/supended solids(SS)/COD NH/NO/Ortho phosohate(asP)/Feacalcoli)
| 9.4.3 | Depth of groundwater |
| 9.4.4 | Yield of groundwater (1000 m radius of disposal area) |
| 9.4.5 | Quality of groundwater (macro analyses- major anions and cations) |
| 9.4.6 | Potential use of groundwater |
(domestic / agricultural/ stock watering/ irrigation/ industrial)
| 9.4.7 | Critical quality component |
| 9.5 | Disposal to surfacewater |
| 9.5.1 | Quantity of waste |
| 9.5.2 | Annual discharge pattern |
| 9.5.3 | Name of minor river catchment |
- area of catchment, mean monthly run-off, quality of river upstream of discharge
| 9.5.4 | Waste quality analyses |
(pH/ conductivity/suspended solids (SS)/COD/NH/NO/Ortho phosphafe(asP)/Feacalcoli)
| 9.5.5 | Established use of river |
(domestic / agricultural/ industrial/ recreational/ environmental)
| 9.5.6 | Establish the applicable WQ Criteria |
| 9.5.7 | Establish the critical components |
| 9.5.8 | Name of major river catchment |
(*Collect same information as for minor catchment)
| 9.5.9 | Qualityof minor catchment before discharge in to major catchment (analyses) |
| 95.10 | Quality of major catchment river upstream of Minor River (analyses) |
| 9.5.11 | Quality of major catchment river downstream of confluence of Minor River |
| 9.5.12 | Mean monthly run -off of major catchment upstream of Minor River |
| 9.5.13 | Describe the RWQO's for the total catchment |
| 9.5.14 | Calculate Waste Load Allocations(WLA's)and the effect which the discharge will have on the REQO (Receiving Environmental Quality Objectives) |
| 9.6 | Discharge to lagoon and estuary -This discharge could have an impact similar to surface or sea discharge. The questions related to surface discharge will be applicable. |
9.7 Disposal by Evaporation
(Evaporation occurs within a process of because of excess heat, or in cooling towers or in specially designed dams where it is promoted. If evaporation is promoted by means of an evaporation pond system then the points that have to be addressed are the same as mentioned under section 9.2)
| 9.8 | Municipal or private waste purification plants other than works being evaluated) |
| 9.8.1 | Name of the plant |
| 9.8.2 | Name of the owner |
| 9.8.3 | Address, telephone, and fax no. and name of contact person |
| 9.8.4 | Registration number of works (if applicable |
| 9.8.5 | Letters of acceptance of the waste by the owner of the works(attach a copy of the agreement for the delivery and acceptance of the waste) |
| 9.8.6 | Purification plant compliance record |
| 9.8.7 | Are there any quality acceptance limits in operation, e.g. Drainage by-laws |
| 9.8.8 | Are there any critical components in the raw waste (identify) |
| 9.8.9 | Effect of acceptance of the raw waste on the compliance record of the purification plant |
(Indicate on a plan-onal :50000 -map)
Sewage treatment works
- municipal(Iocal authority)
- other
- describe
Re-use
- agriculture/ industrial/ municipal/ other
Land
- dams/ponds/evaporation
- irrigation only
- dams/ponds/irrigation
stormwater drains
- name of nearest water course
Watercourse/river
- name
- name of greater catchment river
Estuary
- name of estuary Sea
- name of neared town or beach
Disposal to solid waste disposal site
- name
Groundwater (recharge)
- name of nearest user
- name of farm or district
Part 10 : Recommendations from other Interested Parties (To be submitted with the application)
10.1 Department of National Health
10.2 Department of Environmental Affairs
10.3 South African Bureau of Standards
10.4 Nature Conservation Bodies
10.5 Regional Government Institutions
10.6 Local Government Institutions
10.7 Department of Agriculture, Forestry and Fisheries
10.8 Department of Mineral Resources
10.9 Department of Energy
10.10 Other specialists
10.11 Non- governmental Organisations
10.12 Interested and Affected Parties
10.13 Public Participation
WATER TREATMENT PLANT (POTABLE USE)
Part 11
11.1 Summary of the scheme
11.1.1 Background
11.1.2 Design/scheme layout
11.1.2 Levels of service
11.2 Population projections for a period of 20 years
11.3 Water resource and water availability
11.4 Existing uses
11.5 Water Demand analysis
11.6 Type of reticulation
WASTE WATER TREATMENT WORKS AND WATER TREATMENT WORKS
Part 12 : Conclusion
The conclusion should contain a concise request for the licence required and should include accurately completed licence application forms *obtainable from the Responsible authority.
*NOTE in order for the DWS to expedite the application in a shorter time as possible the correct information is essential.
Part 13 : References and Supporting Documents
(References to backup the information supplied will be added as annexures under this section, e.g):
12.1 Geohydrological Report
12.2 Civil Design Report