Changes

              
    

          
          
        
        

            
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{
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{
            
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  "agreement": "true",
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  "agreement": "true",
            
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  "alternative_identifier": "SAWQG Volume 1, 2nd Edition 1996 (1st 
3
  "alternative_identifier": "SAWQG Volume 1, 2nd Edition 1996 (1st 
            
4
Issue)",
4
Issue)",
            
5
  "author": null,
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  "author": null,
            
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  "author_email": null,
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  "author_email": null,
            
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  "authors": [
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  "authors": [
            
8
    {
8
    {
            
9
      "author_department": "Institute for Water Quality Studies",
9
      "author_department": "Institute for Water Quality Studies",
            
10
      "author_email": "customercare@dws.gov.za",
10
      "author_email": "customercare@dws.gov.za",
            
11
      "author_name": "Department of Water Affairs and Forestry",
11
      "author_name": "Department of Water Affairs and Forestry",
            
12
      "author_organization": "Department of Water Affairs and Forestry 
12
      "author_organization": "Department of Water Affairs and Forestry 
            
13
(now Department of Water and Sanitation)",
13
(now Department of Water and Sanitation)",
            
14
      "author_surname": "DWAF",
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      "author_surname": "DWAF",
            
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      "contact_same_as_author": "false"
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      "contact_same_as_author": "false"
            
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    },
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    },
            
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    {
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    {
            
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      "author_department": "Division of Water Technology",
18
      "author_department": "Division of Water Technology",
            
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      "author_email": "",
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      "author_email": "",
            
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      "author_name": "F",
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      "author_name": "F",
            
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      "author_organization": "CSIR",
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      "author_organization": "CSIR",
            
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      "author_surname": "Carlsson",
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      "author_surname": "Carlsson",
            
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      "contact_same_as_author": "false"
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      "contact_same_as_author": "false"
            
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    },
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    },
            
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    {
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    {
            
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      "author_department": "Institute for Water Quality Studies",
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      "author_department": "Institute for Water Quality Studies",
            
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      "author_email": "",
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      "author_email": "",
            
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      "author_name": "P L",
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      "author_name": "P L",
            
29
      "author_organization": "Department of Water Affairs and 
29
      "author_organization": "Department of Water Affairs and 
            
30
Forestry",
30
Forestry",
            
31
      "author_surname": "Kempster",
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      "author_surname": "Kempster",
            
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      "contact_same_as_author": "false"
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      "contact_same_as_author": "false"
            
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    },
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    },
            
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    {
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    {
            
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      "author_department": "Division of Water Technology",
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      "author_department": "Division of Water Technology",
            
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      "author_email": "",
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      "author_email": "",
            
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      "author_name": "R",
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      "author_name": "R",
            
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      "author_organization": "CSIR",
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      "author_organization": "CSIR",
            
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      "author_surname": "Kfir",
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      "author_surname": "Kfir",
            
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      "contact_same_as_author": "false"
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      "contact_same_as_author": "false"
            
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    }
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    }
            
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  ],
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  ],
            
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  "citation_title": "DEPARTMENT OF WATER AFFAIRS AND FORESTRY (1996) 
43
  "citation_title": "DEPARTMENT OF WATER AFFAIRS AND FORESTRY (1996) 
            
44
South African Water Quality Guidelines (second edition). Volume 1: 
44
South African Water Quality Guidelines (second edition). Volume 1: 
            
45
Domestic Water Use. Department of Water Affairs and Forestry, 
45
Domestic Water Use. Department of Water Affairs and Forestry, 
            
46
Pretoria.",
46
Pretoria.",
            
47
  "contact_person": [
47
  "contact_person": [
            
48
    {
48
    {
            
49
      "contact_department": "Institute for Water Quality Studies",
49
      "contact_department": "Institute for Water Quality Studies",
            
50
      "contact_email": "customercare@dws.gov.za",
50
      "contact_email": "customercare@dws.gov.za",
            
51
      "contact_name": "Department of Water Affairs and Forestry",
51
      "contact_name": "Department of Water Affairs and Forestry",
            
52
      "contact_orgnization": "Department of Water Affairs and Forestry 
52
      "contact_orgnization": "Department of Water Affairs and Forestry 
            
53
(now Department of Water and Sanitation)"
53
(now Department of Water and Sanitation)"
            
54
    }
54
    }
            
55
  ],
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  ],
            
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  "creator_user_id": "bc28a33f-dc21-4795-a57f-da7cd1aa23ea",
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  "creator_user_id": "bc28a33f-dc21-4795-a57f-da7cd1aa23ea",
            
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  "data_classification": "static",
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  "data_classification": "static",
            
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  "data_collection_organization": "Department of Water Affairs and 
58
  "data_collection_organization": "Department of Water Affairs and 
            
59
Forestry and CSIR Division of Water Technology",
59
Forestry and CSIR Division of Water Technology",
            
60
  "data_structure_category": "structured",
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  "data_structure_category": "structured",
            
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  "dataset_language": "English",
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  "dataset_language": "English",
            
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  "dataset_license_url": 
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  "dataset_license_url": 
            
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"https://www.dws.gov.za/iwqs/wq_guide/index.asp",
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"https://www.dws.gov.za/iwqs/wq_guide/index.asp",
            
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  "did_author_or_contact_organization_collect_the_data": "false",
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  "did_author_or_contact_organization_collect_the_data": "false",
            
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  "email": "vanderlaanm@arc.agric.za",
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  "email": "vanderlaanm@arc.agric.za",
            
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  "groups": [],
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  "groups": [],
            
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  "id": "fa57d45b-05b7-4ec7-8014-b217826fd5bf",
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  "id": "fa57d45b-05b7-4ec7-8014-b217826fd5bf",
            
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  "isopen": false,
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  "isopen": false,
            
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  "keywords": "water quality guidelines, domestic water use, drinking 
69
  "keywords": "water quality guidelines, domestic water use, drinking 
            
70
water, Target Water Quality Range, TWQR, human health, aesthetics, 
70
water, Target Water Quality Range, TWQR, human health, aesthetics, 
            
71
inorganic constituents, microbiological indicators, coliforms, 
71
inorganic constituents, microbiological indicators, coliforms, 
            
72
radioactivity, algae, microcystins, total dissolved solids, fluoride, 
72
radioactivity, algae, microcystins, total dissolved solids, fluoride, 
            
73
nitrate, heavy metals, South Africa",
73
nitrate, heavy metals, South Africa",
            
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  "license": "Ohter",
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  "license": "Ohter",
            
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  "license_id": null,
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  "license_id": null,
            
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  "license_title": null,
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  "license_title": null,
            
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  "maintainer": null,
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  "maintainer": null,
            
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  "maintainer_email": null,
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  "maintainer_email": null,
            
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  "metadata_created": "2026-11-05T06:00:56.730486",
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  "metadata_created": "2026-11-05T06:00:56.730486",
            
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  "metadata_modified": "2026-11-05T06:05:39.878730",
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  "metadata_modified": "2026-11-08T13:46:18.152131",
            
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  "minimum_maximum_extent": [
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  "minimum_maximum_extent": [
            
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    {
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    {
            
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      "maximum_vertical_extent": "3451",
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      "maximum_vertical_extent": "3451",
            
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      "minimum_vertical_extent": "0"
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      "minimum_vertical_extent": "0"
            
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    }
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    }
            
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  ],
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  ],
            
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  "name": 
87
  "name": 
            
88
-quality-guidelines-volume-1-domestic-water-use-1996-criteria-tables",
88
-quality-guidelines-volume-1-domestic-water-use-1996-criteria-tables",
            
89
  "notes": "This dataset was harvested from Volume 1 (Domestic Water 
89
  "notes": "This dataset was harvested from Volume 1 (Domestic Water 
            
90
Use) of the South African Water Quality Guidelines, second edition, 
90
Use) of the South African Water Quality Guidelines, second edition, 
            
91
published by the Department of Water Affairs and Forestry in 1996, 
91
published by the Department of Water Affairs and Forestry in 1996, 
            
92
using the corrected-symbols edition released by the Department of 
92
using the corrected-symbols edition released by the Department of 
            
93
Water and Sanitation in 2017. The guidelines set out, for each water 
93
Water and Sanitation in 2017. The guidelines set out, for each water 
            
94
quality constituent, a Target Water Quality Range (TWQR) within which 
94
quality constituent, a Target Water Quality Range (TWQR) within which 
            
95
no adverse effects on human health or aesthetics were expected for 
95
no adverse effects on human health or aesthetics were expected for 
            
96
domestic water use, together with the effects expected at increasing 
96
domestic water use, together with the effects expected at increasing 
            
97
concentrations. The dataset contained 50 target ranges for 49 
97
concentrations. The dataset contained 50 target ranges for 49 
            
98
determinands, covering inorganic constituents (for example arsenic, 
98
determinands, covering inorganic constituents (for example arsenic, 
            
99
cadmium, chloride, fluoride, iron, lead, manganese, mercury, nitrate, 
99
cadmium, chloride, fluoride, iron, lead, manganese, mercury, nitrate, 
            
100
sodium and sulphate), physical properties (pH, turbidity, total 
100
sodium and sulphate), physical properties (pH, turbidity, total 
            
101
dissolved solids, electrical conductivity, odour and colour), organic 
101
dissolved solids, electrical conductivity, odour and colour), organic 
            
102
constituents (dissolved organic carbon, atrazine, phenols and 
102
constituents (dissolved organic carbon, atrazine, phenols and 
            
103
trihalomethanes), algae (chlorophyll a, blue-green algal cells and 
103
trihalomethanes), algae (chlorophyll a, blue-green algal cells and 
            
104
microcystins), microbiological indicators (heterotrophic plate count, 
104
microcystins), microbiological indicators (heterotrophic plate count, 
            
105
total and faecal coliforms, coliphages, enteric viruses and protozoan 
105
total and faecal coliforms, coliphages, enteric viruses and protozoan 
            
106
parasites) and radioactivity (gross alpha and beta activity, 
106
parasites) and radioactivity (gross alpha and beta activity, 
            
107
uranium-238, thorium-232, radium-226, radium-228 and radon-222). All 
107
uranium-238, thorium-232, radium-226, radium-228 and radon-222). All 
            
108
212 concentration ranges from the 46 effects tables were captured with 
108
212 concentration ranges from the 46 effects tables were captured with 
            
109
their units, numeric bounds and effect descriptions, along with each 
109
their units, numeric bounds and effect descriptions, along with each 
            
110
constituent's guideline status (full or tentative), precautionary 
110
constituent's guideline status (full or tentative), precautionary 
            
111
notes and site-specific modifications. Narrative criteria for colour, 
111
notes and site-specific modifications. Narrative criteria for colour, 
            
112
corrosion, settleable matter and total hardness, and supporting tables 
112
corrosion, settleable matter and total hardness, and supporting tables 
            
113
(optimum fluoride by air temperature, phenol taste and odour 
113
(optimum fluoride by air temperature, phenol taste and odour 
            
114
thresholds, hardness classes, corrosion indices, radionuclide dose 
114
thresholds, hardness classes, corrosion indices, radionuclide dose 
            
115
conversion factors and indicator organisms) were also included. Every 
115
conversion factors and indicator organisms) were also included. Every 
            
116
table was checked visually against the page images, and symbols lost 
116
table was checked visually against the page images, and symbols lost 
            
117
in the text layer (the litre symbol, inequality signs and powers of 
117
in the text layer (the litre symbol, inequality signs and powers of 
            
118
ten) were restored. Source inconsistencies, such as overlapping 
118
ten) were restored. Source inconsistencies, such as overlapping 
            
119
chlorophyll a ranges and a gap in the mercury ranges, were kept as 
119
chlorophyll a ranges and a gap in the mercury ranges, were kept as 
            
120
printed and listed in a Cells_to_verify sheet.",
120
printed and listed in a Cells_to_verify sheet.",
            
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  "num_resources": 2,
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  "num_resources": 2,
            
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  "num_tags": 0,
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  "num_tags": 0,
            
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  "organization": {
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  "organization": {
            
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    "approval_status": "approved",
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    "approval_status": "approved",
            
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    "created": "2025-12-03T12:47:25.898887",
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    "created": "2025-12-03T12:47:25.898887",
            
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    "description": "The Department of Water and Sanitation is the 
126
    "description": "The Department of Water and Sanitation is the 
            
127
custodian of South Africa's water resources. It is primarily 
127
custodian of South Africa's water resources. It is primarily 
            
128
responsible for the formulation and implementation of policy governing 
128
responsible for the formulation and implementation of policy governing 
            
129
this sector.\r\n\r\nWhile striving to ensure that all South Africans 
129
this sector.\r\n\r\nWhile striving to ensure that all South Africans 
            
130
gain access to clean water and dignified sanitation, the department 
130
gain access to clean water and dignified sanitation, the department 
            
131
also promotes effective and efficient water resources management to 
131
also promotes effective and efficient water resources management to 
            
132
ensure sustainable economic and social development.",
132
ensure sustainable economic and social development.",
            
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    "id": "d21c1349-e459-4393-b893-95e35700c6bf",
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    "id": "d21c1349-e459-4393-b893-95e35700c6bf",
            
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    "image_url": "2025-12-03-124725.882101DWS-logo.jpg",
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    "image_url": "2025-12-03-124725.882101DWS-logo.jpg",
            
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    "is_organization": true,
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    "is_organization": true,
            
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    "name": "department-of-water-and-sanitation",
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    "name": "department-of-water-and-sanitation",
            
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    "state": "active",
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    "state": "active",
            
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    "title": "Department of Water and Sanitation",
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    "title": "Department of Water and Sanitation",
            
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    "type": "organization"
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    "type": "organization"
            
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  },
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  },
            
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  "owner_org": "d21c1349-e459-4393-b893-95e35700c6bf",
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  "owner_org": "d21c1349-e459-4393-b893-95e35700c6bf",
            
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  "private": false,
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  "private": false,
            
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  "publication_date": "1996-01-01",
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  "publication_date": "1996-01-01",
            
144
  "publisher": "Department of Water Affairs and Forestry",
144
  "publisher": "Department of Water Affairs and Forestry",
            
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  "relationships_as_object": [],
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  "relationships_as_object": [],
            
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  "relationships_as_subject": [],
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  "relationships_as_subject": [],
            
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  "resources": [
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  "resources": [
            
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    {
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      "cache_last_updated": null,
            
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      "cache_url": null,
            
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      "created": "2026-11-05T06:05:03.957169",
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      "created": "2026-11-05T06:05:03.957169",
            
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      "dataset_description": "Target Water Quality Ranges and effects 
152
      "dataset_description": "Target Water Quality Ranges and effects 
            
153
tables for domestic water use (DWAF 1996): 212 concentration ranges 
153
tables for domestic water use (DWAF 1996): 212 concentration ranges 
            
154
for 49 determinants, with guideline status, modifications, narrative 
154
for 49 determinants, with guideline status, modifications, narrative 
            
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criteria and supporting tables.",
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criteria and supporting tables.",
            
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      "description": null,
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      "description": null,
            
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      "format": "xlsx",
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      "is_data_supplementary": "False",
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      "is_data_supplementary": "False",
            
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      "last_modified": "2026-11-05T06:05:03.929684",
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