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2016-02-02 P&O Committee - Item 3 - Attachment 3 - Noosa River Environmental Values and Water Quality Objectives
Noosa River environmental values and water quality objectives
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Water area/type Management Water quality objectives to protect aquatic ecosystem EV
(refer Plan intent (level of
WQ1401) protection)
Enclosed coastal/ Aquatic turbidity: <4 NTU
lower estuary ecosystem – suspended solids: <15 mg/L
waters moderately chlorophyll a: <1.8 µg/L
disturbed total nitrogen: <240 µg/L
oxidised N: <6 µg/L
ammonia N: <15 µg/L
organic N: <220 µg/L
total phosphorus: <15 µg/L
filterable reactive phosphorus (FRP): <2 µg/L
dissolved oxygen: 90 – 105% saturation
pH: 8.0 – 8.4
secchi depth: >1.8m
th th th
Area NME1 – Aquatic Maintain existing water quality (20 , 50 and 80 percentiles),
Noosa Lakes ecosystem – high habitat, biota, flow and riparian areas. (Refer to Appendix D in
(middle estuary) ecological value Queensland Water Quality Guidelines for details.)
th th th
The 20 , 50 and 80 percentiles of existing water quality for NME1
waters are:
turbidity: 2 – 5 – 8 NTU
suspended solids: 20 – 20 – 20 mg/L
chlorophyll a: 0.8 – 1.5 – 2.5 µg/L
total nitrogen: 150 – 240 – 380 µg/L
oxidised N: 2 – 5 – 15 µg/L
ammonia N: 7 – 15 – 32 µg/L
organic N: 130 – 210 – 320 µg/L
total phosphorus: 10 – 13– 16 µg/L
filterable reactive phosphorus (FRP): 2 –- 2 – 2 µg/L
dissolved oxygen: 85 – 95 – 105% saturation
pH: 8.0 – 8.2 – 8.3
secchi depth: 1.1 – 1.6 – 2.0m
Mid estuary Aquatic turbidity: <8 NTU
ecosystem – suspended solids: <20 mg/L
moderately chlorophyll a: <2.5 µg/L
disturbed total nitrogen: <380 µg/L
oxidised N: <15 µg/L
ammonia N: <32 µg/L
organic N: <320 µg/L
total phosphorus: <16 µg/L
filterable reactive phosphorus (FRP): <2 µg/L
dissolved oxygen: 85 – 105% saturation
pH: 7.8– 8.3
secchi depth: >1.1m
th th th
Area NUE1 – Aquatic Maintain existing water quality (20 , 50 and 80 percentiles),
Noosa Lakes ecosystem – high habitat, biota, flow and riparian areas. (Refer to Appendix D in
(upper estuary) ecological value Queensland Water Quality Guidelines for details.)
th th th
The 20 , 50 and 80 percentiles of existing water quality for NUE1
waters are:
turbidity: 8 – 12 – 22 NTU
suspended solids: 7 – 14 – 25 mg/L
chlorophyll a: 1.4 – 2.2 – 5.0 µg/L
total nitrogen: 320 – 440 – 750 µg/L
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Noosa River environmental values and water quality objectives
Water area/type Management Water quality objectives to protect aquatic ecosystem EV ~
(refer Plan intent (level of
WQ1401) protection)
Enclosed coastal/ | Aquatic = turbidity: <4 NTU
lower estuary ecosystem — =" suspended solids: <15 mg/L
waters moderately = chlorophyll a: <1.8 pg/L
disturbed =» total nitrogen: <240 g/L
= oxidised N: <6 ug/L
= ammonia N: <15 pg/L
=~ organic N: <220 pg/L
= total phosphorus: <15 pg/L
= filterable reactive phosphorus (FRP): <2 ug/L
= dissolved oxygen: 90 — 105% saturation
= pH: 8.0 - 8.4
= secchi depth: >1.8m
Area NME1 -— Aquatic Maintain existing water quality (20°, 50° and 80° percentiles),
Noosa Lakes ecosystem — high | habitat, biota, flow and riparian areas. (Refer to Appendix D in
(middle estuary) ecological value | Queensland Water Quality Guidelines for details.)
The 20", 50" and 80" percentiles of existing water quality for NME1
waters are:
= turbidity: 2-5-8 NTU
= suspended solids: 20 — 20 — 20 mg/L
» chlorophyll a: 0.8 — 1.5 — 2.5 pg/L
« total nitrogen: 150 — 240 — 380 ug/L
=" oxidised N:2-—5-15 pg/L
=" ammonia N: 7 — 15 — 32 pg/L
=" organic N: 130 — 210 — 320 ug/L
= total phosphorus: 10 — 13— 16 pg/L
= filterable reactive phosphorus (FRP): 2 —- 2 — 2 ug/L
= dissolved oxygen: 85 — 95 — 105% saturation
=» pH: 8.0 —-8.2-8.3
= secchi depth: 1.1 -— 1.6 — 2.0m
Mid estuary Aquatic = turbidity: <8 NTU
ecosystem — =" suspended solids: <20 mg/L
moderately = chlorophyll a: <2.5 pg/L
disturbed = total nitrogen: <380 pg/L
= oxidised N: <15 pg/L
= ammonia N: <32 ug/L
= organic N: <320 pg/L
= total phosphorus: <16 pg/L
= filterable reactive phosphorus (FRP): <2 ug/L
= dissolved oxygen: 85 — 105% saturation
= pH: 7.8— 8.3
= — secchi depth: >1.1m
Area NUE1 — Aquatic Maintain existing water quality (20°, 50° and 80° percentiles),
Noosa Lakes ecosystem — high | habitat, biota, flow and riparian areas. (Refer to Appendix D in
(upper estuary) ecological value Queensland Water Quality Guidelines for details.)
The 20", 50" and 80" percentiles of existing water quality for NUE1
waters are:
turbidity:
5 1 1 1 51 2 1230 3039 205 30 59 8-12-22
5 1 1 1 51 3 1452 3038 80 31 59 NTU
4 1 1 1 52 0 988 3090 729 39 -1
5 1 1 1 52 1 988 3099 12 12 77 =
5 1 1 1 52 2 1061 3090 200 39 63 suspended
5 1 1 1 52 3 1276 3090 114 31 96 solids:
5 1 1 1 52 4 1407 3091 19 29 76 7
5 1 1 1 52 5 1439 3107 24 3 76 —
5 1 1 1 52 6 1478 3091 41 29 88 14
5 1 1 1 52 7 1532 3107 24 3 88 —
5 1 1 1 52 8 1569 3091 43 30 96 25
5 1 1 1 52 9 1628 3090 89 39 96 mg/L
4 1 1 1 53 0 988 3142 687 39 -1
5 1 1 1 53 1 988 3151 12 12 0 »
5 1 1 1 53 2 1061 3142 195 39 72 chlorophyll
5 1 1 1 53 3 1272 3150 30 23 96 a:
5 1 1 1 53 4 1321 3143 52 29 87 1.4
5 1 1 1 53 5 1386 3159 24 3 87 —
5 1 1 1 53 6 1422 3143 55 29 92 2.2
5 1 1 1 53 7 1490 3159 24 3 90 —
5 1 1 1 53 8 1527 3143 54 30 96 5.0
5 1 1 1 53 9 1597 3142 78 39 77 pg/L
4 1 1 1 54 0 988 3193 729 39 -1
5 1 1 1 54 1 988 3202 12 12 52 =
5 1 1 1 54 2 1019 3189 24 47 39 —
5 1 1 1 54 3 1060 3193 76 31 96 total
5 1 1 1 54 4 1153 3193 156 39 95 nitrogen:
5 1 1 1 54 5 1325 3194 66 30 93 320
5 1 1 1 54 6 1405 3210 23 3 87 —
5 1 1 1 54 7 1440 3194 67 30 92 440
5 1 1 1 54 8 1520 3210 24 3 85 —
5 1 1 1 54 9 1558 3194 65 30 96 750
5 1 1 1 54 10 1639 3193 78 39 82 ug/L
4 1 1 1 55 0 1221 3322 40 30 -1
5 1 1 1 55 1 1221 3322 40 30 96 13See the original
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