Kawa Stream Monitoring Project

DOH WATER QUALITY DATA SUMMARIES

 

STATION 8(II) (= 08R) - Central branch of Kawa Stream above Parkway Community Center (UMR)
June 2000 - September 2000 ~ (semimonthly) ~ ALL VALUES

TEMP pH DO COND TURB TSS NO3+NO2 NH3 TDN TDP Chl a
oC mg/L uS/cm ntu mg/L ugN/cm ugN/L ugN/L ugP/L ug/L
CODES YS DH YS YS DH DH DH DH DH DH DH
MEANS1 23.7 6.59 6.75 277 1.8 2 1097 2 1204 11 0.13
STD. DEV. 0.2 0.3 0.8 4 1.2-2.7 1-4 1017-1184 2-12 1128-1284 4-27
95% C.I. (low) 1.0 0.2 1006 0.1 1128 0.4
95% C.I. (upp) 3.3 15 1196 146 1284 312
MIN 1.3 1 969 1 1100 5 0.02
MAX 4.0 5 1200 9 1320 77 0.7
N = 7 6 7 7 7 6 7 7 7 7 7
 

STATION 8 (= 08L) - Upper west branch of Kawa Stream above Parkway Community Center (UMR)
September 1999 - September 2000 ~ (semimonthly) ~ ALL VALUES

TEMP pH DO COND TURB TSS NO3+NO2 NH3 TDN TDP Chl a
oC mg/L uS/cm ntu mg/L ugN/cm ugN/L ugN/L ugP/L ug/L
CODES YS YS YS DH DH DH DH DH DH DH
MEANS1 23.0 7.13 7.19 249 5.7 4 812 10 1322 72 0.12
STD. DEV. 0.9 0.42 1.2 40.9 2.5-22 2-9 216-3049 3-29 677-2582 56-93 0.03-0.41
95% C.I. (low) 22.6 6.83 6.64 231 4.6 3 470 6 875 65 0.07
95% C.I. (upp) 23.3 7.43 7.74 267 12.0 6 1402 16 1999 80 0.20
MIN 21.1 6.57 4.66 106 2.70 1 8 1 156 40 0.03
MAX 24.2 7.76 9.57 300 65.7 31 2140 243 2230 110 1.33
N = 22 10 21 22 23 25 25 25 25 25 25
 

STATION 7 (= 007) - Kawa Stream just upstream of Namoku Street bridge (UMR)
September 1999 - September 2000 ~ (semimonthly) ~ ALL VALUES

TEMP pH DO COND TURB TSS NO3+NO2 NH3 TDN TDP Chl a
oC mg/L uS/cm ntu mg/L ugN/cm ugN/L ugN/L ugP/L ug/L
CODES YS YS YS DH DH DH DH DH DH DH
MEANS1 23.4 7.36 8.11 276 10.1 6 613 51 908 27 1.63
STD. DEV. 1.7 0.4 1.11 55.1 5.1-25.4 2-14 381-988 29-90 625-1320 17-45 0.72-3.72
95% C.I. (low) 22.6 7.0 7.60 251 8.02 3.8 504 41 779 22 1.16
95% C.I. (upp) 24.1 7.7 8.61 300 16.1 8 747 65 1060 34 2.29
MIN 19.7 6.8 6.17 93 5.4 1 155 22 345 8 0.08
MAX 26.3 8.0 11.0 367 186 127 1070 211 1470 118 7.31
N = 22 10 21 22 23 25 25 25 25 25 25
 

STATION 6 (= 006) - Middle east branch of Kawa Stream below Mokulele Street bridge (UMR)
September 1999 - September 2000 ~ (semimonthly) ~ ALL VALUES

TEMP pH DO COND TURB TSS NO3+NO2 NH3 TDN TDP Chl a
oC mg/L uS/cm ntu mg/L ugN/cm ugN/L ugN/L ugP/L ug/L
CODES YS YS YS DH DH DH DH DH DH DH
MEANS1 24.0 7.58 6.8 351 8.9 6 138 46 533 35 2.79
STD. DEV. 1.9 0.57 0.48 222 5.17-19.5 3-9 57-334 22-97 344-826 19-62 1.42-5.49
95% C.I. (low) 23.1 7.17 5.8 253 7.52 4.5 96 34 443 27 2.11
95% C.I. (upp) 24.8 7.98 7.8 450 13.4 6.81 199 63 641 44 3.69
MIN 20.0 7.00 2.76 66.2 5.0 3 24 17 287 12 1.26
MAX 27.2 8.38 10.64 1251 65 23 730 218 1420 146 28.6
N = 22 10 21 22 22 25 25 25 24 25 25
 

STATION 5 (= 005) - Kawa Stream at Bayview GC, upper golf cart bridge (LR)
September 1999 - September 2000 ~ (semimonthly) ~ ALL VALUES

TEMP pH DO COND TURB TSS NO3+NO2 NH3 TDN TDP Chl a
oC mg/L uS/cm ntu mg/L ugN/cm ugN/L ugN/L ugP/L ug/L
CODES YS YS YS DH DH DH DH DH DH DH
MEANS1 23.5 7.87 6.4 302 6.2 3 997 24 1369 37 1.10
STD. DEV. 1.6 0.64 1.1 57 2.57 - 22.0 1 - 8 667 - 1490 14 - 41 1013 - 1850 27 - 50 0.49 - 2.47
95% C.I. (low) 22.8 7.41 5.86 277.8 4.72 2 844 19 1209 32 0.78
95% C.I. (upp) 24.3 8.33 6.88 326.7 12.0 4 1177 30 1550 42 1.53
MIN 20.0 7.02 4.63 134.3 2.7 1 332 6 643 23 0.26
MAX 26.0 8.87 8.37 357.5 291 262 1580 110 2130 106 26.6
N = 22 10 21 22 23 25 25 25 25 25 25
 

STATION 4 (= 004) -- Kawa Stream estuary at Bayview, lower golf cart bridge (ELR)
September 1999 - December 1999 ~ (semimonthly) ~ ALL VALUES

TEMP DO SAL TURB TSS NO3+NO2 NH3 TDN TDP Chl a
oC mg/L ppt ntu mg/L ugN/cm ugN/L ugN/L ugP/L ug/L
CODES YS YS YS DH DH DH DH DH DH DH
MEANS2 24.9 5.66 14.3 20.97 14 379 127 822 29 7.34
STD. DEV. 1.7 1.75 7.7 5.68 2.5 191 86 543 15 2.09
95% C.I. (low) 22.8 2.87 7.2 6.32 2.8 201 89 561 16 2.30
95% C.I. (upp) 27.0 8.45 21.5 86.4 70 711 181 1204 53 23.4
RANGE (low) 22.3 3.67 0.5 8.4 4 117 70 451 16 1.14
RANGE (high) 26.4 7.76 22 518 686 797 248 1340 946 49.0
N = 5 4 7 7 7 7 7 7 7 7
 

STATION 3 - Kawa Stream estuary upstream of Waikalua-Loko (ELR)
September 1999 - December 1999 ~ (semimonthly) ~ ALL VALUES

TEMP DO SAL TURB TSS NO3+NO2 NH3 TDN TDP Chl a
oC mg/L ppt ntu mg/L ugN/cm ugN/L ugN/L ugP/L ug/L
CODES YS YS YS DH DH DH DH DH DH DH
MEANS2 25.4 5.17 23.9 9.36 9 179 157 706 19 3.14
STD. DEV. 1.7 1.72 6.5 7.78 5.0 94 86 413 8 1.24
95% C.I. (low) 23.3 2.43 17.9 8.07 5.2 98 90 430 9 1.33
95% C.I. (upp) 27.6 7.90 29.9 20.2 15.0 327 274 1158 43 7.42
RANGE (low) 23.2 3.50 14.0 6.7 4 69 63 369 5 0.83
RANGE (high) 27.7 7.39 31 17 18 441 360 1600 68 9.45
N = 5 4 7 7 7 7 7 7 7 7
 

STATION 2 - Kawa Stream estuary in mangrove upstream of mouth (ELR)
September 1999 - December 1999 ~ (semimonthly) ~ ALL VALUES

TEMP DO SAL TURB TSS NO3+NO2 NH3 TDN TDP Chl a
oC mg/L ppt ntu mg/L ugN/cm ugN/L ugN/L ugP/L ug/L
CODES YS YS YS DH DH DH DH DH DH DH
MEANS2 25.2 5.22 24.4 9.67 12 147 114 533 24 3.04
STD. DEV. 1.5 1.62 5.3 7.13 7 75 76 353 9 1.13
95% C.I. (low) 23.3 2.63 19.5 7.44 7 79 78 364 10 1.22
95% C.I. (upp) 27.1 7.80 29.3 21.1 18 275 167 780 58 7.57
RANGE (low) 23.1 3.77 16.0 5.8 6 71 64 390 7 0.60
RANGE (high) 27.1 7.35 32.4 19 25 372 208 1070 98 8.82
N = 5 4 7 7 7 7 7 7 7 7
 

STATION 1 - Kane`ohe Bay at the mouth of Kawa Stream (ELR)
September 1999 - December 1999 ~ (semimonthly) ~ ALL VALUES

TEMP DO SAL TURB TSS NO3+NO2 NH3 TDN TDP Chl a
oC mg/L ppt ntu mg/L ugN/cm ugN/L ugN/L ugP/L ug/L
CODES YS YS YS DH DH DH DH DH DH DH
MEANS3 24.8 6.39 30.5 6.32 12 26 44 191 18 1.79
STD. DEV. 1.6 1.59 4.9 4.48 7.7 3 15 100 8 1.79
95% C.I. (low) 22.8 3.85 25.9 4.72 8.0 4 16 105 8 0.71
95% C.I. (upp) 26.8 8.92 35.1 16.5 18.5 192 118 348 40 4.52
RANGE (low) 22.2 4.03 21.0 4.2 6 1 9 104 8 0.52
RANGE (high) 26.2 7.53 35.0 9 25 427 188 596 100 7.09
N = 5 4 7 7 7 7 7 7 7 7
1 - Assessed against HAR 11-54-05.2(b)(1) - Water quality criteria for streams. Means for turbidity, TSS, nitrate+nitite, ammonia, total N, total P, and chlorophyll a are geometric means. Since TDN cannot exceed TN and TDP cannot exceed TP, TDN and TDP become conservative "estimates" of TN and TP for those stations not complying with the criteria.
2 - Assessed against HAR 11-54-05.2(d)(1) - Water quality criteria for estuaries except Pearl Harbor. Means for turbidity, TSS, nitrate+nitite, ammonia, total N, total P, and chlorophyll are geometric means. Since TDN cannot exceed TN and TDP cannot exceed TP, TDN and TDP become conservative "estimates" of TN and TP for those stations not complying with the criteria.
3 - Assessed against HAR 11-54-06(a)(3) - Water quality criteria for embayments. Means for turbidity, TSS, nitrate+nitite, ammonia, total N, total P, and chlorophyll are geometric means. Since TDN cannot exceed TN and TDP cannot exceed TP, TDN and TDP become conservative "estimates" of TN and TP for those stations not complying with the criteria.

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